Merge branch 'master' into avatar-cropping

Conflicts:
	app/models/user.rb

87 files changed, 576 insertions, 469 deletions

diff --git a/app/assets/javascripts/admin.js.coffee b/app/assets/javascripts/admin.js.coffee
index eb951f71711..b2b8e1b7ffb 100644
--- a/app/assets/javascripts/admin.js.coffee
+++ b/app/assets/javascripts/admin.js.coffee
@@ -12,19 +12,6 @@ class @Admin
       e.preventDefault()
       $('.js-toggle-colors-container').toggle()
 
-    $('input#broadcast_message_color').on 'input', ->
-      previewColor = $(@).val()
-      $('div.broadcast-message-preview').css('background-color', previewColor)
-
-    $('input#broadcast_message_font').on 'input', ->
-      previewColor = $(@).val()
-      $('div.broadcast-message-preview').css('color', previewColor)
-
-    $('textarea#broadcast_message_message').on 'input', ->
-      previewMessage = $(@).val()
-      previewMessage = "Your message here" if previewMessage.trim() == ''
-      $('div.broadcast-message-preview span').text(previewMessage)
-
     $('.log-tabs a').click (e) ->
       e.preventDefault()
       $(this).tab('show')
diff --git a/app/assets/javascripts/awards_handler.coffee b/app/assets/javascripts/awards_handler.coffee
index 047df4786a9..360acb864f6 100644
--- a/app/assets/javascripts/awards_handler.coffee
+++ b/app/assets/javascripts/awards_handler.coffee
@@ -49,10 +49,11 @@ class @AwardsHandler
       counter.text(parseInt(counter.text()) - 1)
       emojiIcon.removeClass("active")
       @removeMeFromAuthorList(emoji)
-    else if emoji =="thumbsup" || emoji == "thumbsdown"
+    else if emoji == "thumbsup" || emoji == "thumbsdown"
       emojiIcon.tooltip("destroy")
       counter.text(0)
       emojiIcon.removeClass("active")
+      @removeMeFromAuthorList(emoji)
     else
       emojiIcon.tooltip("destroy")
       emojiIcon.remove()
diff --git a/app/assets/javascripts/broadcast_message.js.coffee b/app/assets/javascripts/broadcast_message.js.coffee
new file mode 100644
index 00000000000..a38a329c4c2
--- /dev/null
+++ b/app/assets/javascripts/broadcast_message.js.coffee
@@ -0,0 +1,22 @@
+$ ->
+  $('input#broadcast_message_color').on 'input', ->
+    previewColor = $(@).val()
+    $('div.broadcast-message-preview').css('background-color', previewColor)
+
+  $('input#broadcast_message_font').on 'input', ->
+    previewColor = $(@).val()
+    $('div.broadcast-message-preview').css('color', previewColor)
+
+  previewPath = $('textarea#broadcast_message_message').data('preview-path')
+
+  $('textarea#broadcast_message_message').on 'input', ->
+    message = $(@).val()
+
+    if message == ''
+      $('.js-broadcast-message-preview').text("Your message here")
+    else
+      $.ajax(
+        url: previewPath
+        type: "POST"
+        data: { broadcast_message: { message: message } }
+      )
diff --git a/app/assets/javascripts/dashboard.js.coffee b/app/assets/javascripts/dashboard.js.coffee
index dd295088312..62143e66cfe 100644
--- a/app/assets/javascripts/dashboard.js.coffee
+++ b/app/assets/javascripts/dashboard.js.coffee
@@ -1,10 +1,11 @@
 @Dashboard =
   init: ->
+    $(".projects-list-filter").off('keyup')
     this.initSearch()
 
   initSearch: ->
     @timer = null
-    $("#project-filter-form-field").on('keyup', ->
+    $(".projects-list-filter").on('keyup', ->
       clearTimeout(@timer)
       @timer = setTimeout(Dashboard.filterResults, 500)
     )
@@ -13,8 +14,8 @@
     $('.projects-list-holder').fadeTo(250, 0.5)
 
     form = null
-    form = $("#project-filter-form")
-    search = $("#project-filter-form-field").val()
+    form = $("form#project-filter-form")
+    search = $(".projects-list-filter").val()
     project_filter_url = form.attr('action') + '?' + form.serialize()
 
     $.ajax
@@ -24,7 +25,7 @@
       complete: ->
         $('.projects-list-holder').fadeTo(250, 1)
       success: (data) ->
-        $('div.projects-list-holder').replaceWith(data.html)
+        $('.projects-list-holder').replaceWith(data.html)
         # Change url so if user reload a page - search results are saved
         history.replaceState {page: project_filter_url}, document.title, project_filter_url
       dataType: "json"
diff --git a/app/assets/javascripts/dispatcher.js.coffee b/app/assets/javascripts/dispatcher.js.coffee
index d4a2b74b143..b17f8e51470 100644
--- a/app/assets/javascripts/dispatcher.js.coffee
+++ b/app/assets/javascripts/dispatcher.js.coffee
@@ -16,6 +16,8 @@ class Dispatcher
     shortcut_handler = null
 
     switch page
+      when 'explore:projects:index', 'explore:projects:starred', 'explore:projects:trending'
+        Dashboard.init()
       when 'projects:issues:index'
         Issues.init()
         shortcut_handler = new ShortcutsNavigation()
diff --git a/app/assets/javascripts/logo.js.coffee b/app/assets/javascripts/logo.js.coffee
index e7d884662ea..35b2fbbba07 100644
--- a/app/assets/javascripts/logo.js.coffee
+++ b/app/assets/javascripts/logo.js.coffee
@@ -44,6 +44,7 @@ $(document).on('page:fetch',  start)
 $(document).on('page:change', stop)
 
 $ ->
-  # Make logo clickable
+  # Make logo clickable as part of a workaround for Safari visited
+  # link behaviour (See !2690).
   $('#logo').on 'click', ->
     $('#js-shortcuts-home').get(0).click()
diff --git a/app/assets/javascripts/projects_list.js.coffee b/app/assets/javascripts/projects_list.js.coffee
index ebf7140b7e3..eab34be652a 100644
--- a/app/assets/javascripts/projects_list.js.coffee
+++ b/app/assets/javascripts/projects_list.js.coffee
@@ -3,22 +3,24 @@ class @ProjectsList
     $(".projects-list .js-expand").on 'click', (e) ->
       e.preventDefault()
       list = $(this).closest('.projects-list')
-      list.find("li").show()
-      list.find("li.bottom").hide()
 
-    $(".projects-list-filter").keyup ->
-      terms = $(this).val()
-      uiBox = $('div.projects-list-holder')
-      filterSelector = $(this).data('filter-selector') || 'span.filter-title'
+    $("#filter_projects").on 'keyup', ->
+      ProjectsList.filter_results($("#filter_projects"))
 
-      if terms == "" || terms == undefined
-        uiBox.find("ul.projects-list li").show()
-      else
-        uiBox.find("ul.projects-list li").each (index) ->
-          name = $(this).find(filterSelector).text()
+  @filter_results: ($element) ->
+    terms = $element.val()
+    filterSelector = $element.data('filter-selector') || 'span.filter-title'
 
-          if name.toLowerCase().search(terms.toLowerCase()) == -1
-            $(this).hide()
-          else
-            $(this).show()
-      uiBox.find("ul.projects-list li.bottom").hide()
+    if not terms
+      $(".projects-list li").show()
+      $('.gl-pagination').show()
+    else
+      $(".projects-list li").each (index) ->
+        $this = $(this)
+        name = $this.find(filterSelector).text()
+
+        if name.toLowerCase().indexOf(terms.toLowerCase()) == -1
+          $this.hide()
+        else
+          $this.show()
+      $('.gl-pagination').hide()
diff --git a/app/assets/stylesheets/pages/admin.scss b/app/assets/stylesheets/pages/admin.scss
index 144852e7874..a61161810a3 100644
--- a/app/assets/stylesheets/pages/admin.scss
+++ b/app/assets/stylesheets/pages/admin.scss
@@ -55,6 +55,16 @@
   @extend .alert-warning;
   padding: 10px;
   text-align: center;
+
+  > div, p {
+    display: inline;
+    margin: 0;
+
+    a {
+      color: inherit;
+      text-decoration: underline;
+    }
+  }
 }
 
 .broadcast-message-preview {
diff --git a/app/assets/stylesheets/pages/issuable.scss b/app/assets/stylesheets/pages/issuable.scss
index 9d5dc42b6cc..ef62f069dc2 100644
--- a/app/assets/stylesheets/pages/issuable.scss
+++ b/app/assets/stylesheets/pages/issuable.scss
@@ -80,6 +80,10 @@
       display: inline-block;
     }
 
+    .select2-container span {
+      margin-top: 0;
+    }
+
     .issuable-count {
 
     }
@@ -88,6 +92,10 @@
       margin-left: 20px;
       border-left: 1px solid $border-gray-light;
       padding-left: 10px;
+
+      &:hover {
+        color: $gray-darkest;
+      }
     }
   }
 
@@ -192,6 +200,10 @@
   .btn {
     background: $gray-normal;
     border: 1px solid $border-gray-normal;
+    &:hover {
+      background: $gray-dark;
+      border: 1px solid $border-gray-dark;
+    }
   }
 
   &.right-sidebar-collapsed {
@@ -223,6 +235,19 @@
         display: block;
         margin-top: 0;
       }
+
+      .btn-clipboard {
+        border: none;
+
+        &:hover {
+          background: transparent;
+        }
+
+        i {
+          color: #999999;
+        }
+      }
+
     }
 
   }
diff --git a/app/controllers/admin/application_settings_controller.rb b/app/controllers/admin/application_settings_controller.rb
index 1515086b16d..04a99d8c84a 100644
--- a/app/controllers/admin/application_settings_controller.rb
+++ b/app/controllers/admin/application_settings_controller.rb
@@ -81,6 +81,7 @@ class Admin::ApplicationSettingsController < Admin::ApplicationController
       :sentry_dsn,
       :akismet_enabled,
       :akismet_api_key,
+      :email_author_in_body,
       restricted_visibility_levels: [],
       import_sources: []
     )
diff --git a/app/controllers/admin/broadcast_messages_controller.rb b/app/controllers/admin/broadcast_messages_controller.rb
index a470d865408..fc342924987 100644
--- a/app/controllers/admin/broadcast_messages_controller.rb
+++ b/app/controllers/admin/broadcast_messages_controller.rb
@@ -36,6 +36,10 @@ class Admin::BroadcastMessagesController < Admin::ApplicationController
     end
   end
 
+  def preview
+    @message = broadcast_message_params[:message]
+  end
+
   protected
 
   def finder
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 48b1f95acb9..2c329b60a19 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -164,7 +164,7 @@ class ApplicationController < ActionController::Base
   end
 
   def git_not_found!
-    render html: "errors/git_not_found", layout: "errors", status: 404
+    render "errors/git_not_found.html", layout: "errors", status: 404
   end
 
   def method_missing(method_sym, *arguments, &block)
diff --git a/app/controllers/ci/application_controller.rb b/app/controllers/ci/application_controller.rb
index c420b59c3a2..5bb7d499cdc 100644
--- a/app/controllers/ci/application_controller.rb
+++ b/app/controllers/ci/application_controller.rb
@@ -3,52 +3,5 @@ module Ci
     def self.railtie_helpers_paths
       "app/helpers/ci"
     end
-
-    private
-
-    def authorize_access_project!
-      unless can?(current_user, :read_project, project)
-        return page_404
-      end
-    end
-
-    def authorize_manage_builds!
-      unless can?(current_user, :manage_builds, project)
-        return page_404
-      end
-    end
-
-    def authenticate_admin!
-      return render_404 unless current_user.is_admin?
-    end
-
-    def authorize_manage_project!
-      unless can?(current_user, :admin_project, project)
-        return page_404
-      end
-    end
-
-    def page_404
-      render file: "#{Rails.root}/public/404.html", status: 404, layout: false
-    end
-
-    def default_headers
-      headers['X-Frame-Options'] = 'DENY'
-      headers['X-XSS-Protection'] = '1; mode=block'
-    end
-
-    # JSON for infinite scroll via Pager object
-    def pager_json(partial, count)
-      html = render_to_string(
-        partial,
-        layout: false,
-        formats: [:html]
-      )
-
-      render json: {
-        html: html,
-        count: count
-      }
-    end
   end
 end
diff --git a/app/controllers/ci/projects_controller.rb b/app/controllers/ci/projects_controller.rb
index 3004c2d27f0..d1824b481d7 100644
--- a/app/controllers/ci/projects_controller.rb
+++ b/app/controllers/ci/projects_controller.rb
@@ -1,8 +1,7 @@
 module Ci
   class ProjectsController < Ci::ApplicationController
-    before_action :project, except: [:index]
-    before_action :authenticate_user!, except: [:index, :build, :badge]
-    before_action :authorize_access_project!, except: [:index, :badge]
+    before_action :project
+    before_action :authorize_read_project!, except: [:badge]
     before_action :no_cache, only: [:badge]
     protect_from_forgery
 
@@ -13,9 +12,13 @@ module Ci
 
     # Project status badge
     # Image with build status for sha or ref
+    #
+    # This action in DEPRECATED, this is here only for backwards compatibility
+    # with projects migrated from GitLab CI.
+    #
     def badge
+      return render_404 unless @project
       image = Ci::ImageForBuildService.new.execute(@project, params)
-
       send_file image.path, filename: image.name, disposition: 'inline', type:"image/svg+xml"
     end
 
diff --git a/app/controllers/dashboard/projects_controller.rb b/app/controllers/dashboard/projects_controller.rb
index 0bcc78a8bc7..2df6924b13d 100644
--- a/app/controllers/dashboard/projects_controller.rb
+++ b/app/controllers/dashboard/projects_controller.rb
@@ -12,7 +12,7 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
       @projects = @projects.search(terms)
     end
 
-    @projects = @projects.page(params[:page]).per(PER_PAGE)
+    @projects = @projects.page(params[:page]).per(PER_PAGE) if terms.blank?
     @last_push = current_user.recent_push
 
     respond_to do |format|
@@ -41,7 +41,7 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
       @projects = @projects.search(terms)
     end
 
-    @projects = @projects.page(params[:page]).per(PER_PAGE)
+    @projects = @projects.page(params[:page]).per(PER_PAGE) if terms.blank?
     @last_push = current_user.recent_push
     @groups = []
 
diff --git a/app/controllers/explore/projects_controller.rb b/app/controllers/explore/projects_controller.rb
index 2689bf4f1ec..a384f3004db 100644
--- a/app/controllers/explore/projects_controller.rb
+++ b/app/controllers/explore/projects_controller.rb
@@ -6,19 +6,49 @@ class Explore::ProjectsController < Explore::ApplicationController
     @projects = @projects.where(visibility_level: params[:visibility_level]) if params[:visibility_level].present?
     @projects = @projects.non_archived
     @projects = @projects.search(params[:search]) if params[:search].present?
+    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
     @projects = @projects.sort(@sort = params[:sort])
-    @projects = @projects.includes(:namespace).page(params[:page]).per(PER_PAGE)
+    @projects = @projects.includes(:namespace).page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
+
+    respond_to do |format|
+      format.html
+      format.json do
+        render json: {
+          html: view_to_html_string("dashboard/projects/_projects", locals: { projects: @projects })
+        }
+      end
+    end
   end
 
   def trending
     @projects = TrendingProjectsFinder.new.execute(current_user)
     @projects = @projects.non_archived
-    @projects = @projects.page(params[:page]).per(PER_PAGE)
+    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
+    @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
+
+    respond_to do |format|
+      format.html
+      format.json do
+        render json: {
+          html: view_to_html_string("dashboard/projects/_projects", locals: { projects: @projects })
+        }
+      end
+    end
   end
 
   def starred
     @projects = ProjectsFinder.new.execute(current_user)
+    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
     @projects = @projects.reorder('star_count DESC')
-    @projects = @projects.page(params[:page]).per(PER_PAGE)
+    @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
+
+    respond_to do |format|
+      format.html
+      format.json do
+        render json: {
+          html: view_to_html_string("dashboard/projects/_projects", locals: { projects: @projects })
+        }
+      end
+    end
   end
 end
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index 90475c17c17..ca5ce1e2046 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -14,7 +14,7 @@ class GroupsController < Groups::ApplicationController
 
   # Load group projects
   before_action :load_projects, except: [:index, :new, :create, :projects, :edit, :update, :autocomplete]
-  before_action :event_filter, only: :show
+  before_action :event_filter, only: [:show, :events]
 
   layout :determine_layout
 
@@ -41,14 +41,16 @@ class GroupsController < Groups::ApplicationController
   def show
     @last_push = current_user.recent_push if current_user
     @projects = @projects.includes(:namespace)
-    @projects = @projects.page(params[:page]).per(PER_PAGE)
+    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
+    @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
 
     respond_to do |format|
       format.html
 
       format.json do
-        load_events
-        pager_json("events/_events", @events.count)
+        render json: {
+          html: view_to_html_string("dashboard/projects/_projects", locals: { projects: @projects })
+        }
       end
 
       format.atom do
@@ -58,6 +60,15 @@ class GroupsController < Groups::ApplicationController
     end
   end
 
+  def events
+    respond_to do |format|
+      format.json do
+        load_events
+        pager_json("events/_events", @events.count)
+      end
+    end
+  end
+
   def edit
   end
 
diff --git a/app/controllers/projects/artifacts_controller.rb b/app/controllers/projects/artifacts_controller.rb
index f159a6d6dc6..cfea1266516 100644
--- a/app/controllers/projects/artifacts_controller.rb
+++ b/app/controllers/projects/artifacts_controller.rb
@@ -1,6 +1,6 @@
 class Projects::ArtifactsController < Projects::ApplicationController
   layout 'project'
-  before_action :authorize_read_build_artifacts!
+  before_action :authorize_read_build!
 
   def download
     unless artifacts_file.file_storage?
@@ -43,14 +43,4 @@ class Projects::ArtifactsController < Projects::ApplicationController
   def artifacts_file
     @artifacts_file ||= build.artifacts_file
   end
-
-  def authorize_read_build_artifacts!
-    unless can?(current_user, :read_build_artifacts, @project)
-      if current_user.nil?
-        return authenticate_user!
-      else
-        return render_404
-      end
-    end
-  end
 end
diff --git a/app/controllers/projects/badges_controller.rb b/app/controllers/projects/badges_controller.rb
new file mode 100644
index 00000000000..a4dd94b941c
--- /dev/null
+++ b/app/controllers/projects/badges_controller.rb
@@ -0,0 +1,11 @@
+class Projects::BadgesController < Projects::ApplicationController
+  def build
+    respond_to do |format|
+      format.html { render_404 }
+      format.svg do
+        image = Ci::ImageForBuildService.new.execute(project, ref: params[:ref])
+        send_file(image.path, filename: image.name, disposition: 'inline', type: 'image/svg+xml')
+      end
+    end
+  end
+end
diff --git a/app/controllers/projects/builds_controller.rb b/app/controllers/projects/builds_controller.rb
index 92d9699fe84..ec379c53b8f 100644
--- a/app/controllers/projects/builds_controller.rb
+++ b/app/controllers/projects/builds_controller.rb
@@ -1,9 +1,8 @@
 class Projects::BuildsController < Projects::ApplicationController
   before_action :build, except: [:index, :cancel_all]
-
-  before_action :authorize_manage_builds!, except: [:index, :show, :status]
-
-  layout "project"
+  before_action :authorize_read_build!, except: [:cancel, :cancel_all, :retry]
+  before_action :authorize_update_build!, except: [:index, :show, :status]
+  layout 'project'
 
   def index
     @scope = params[:scope]
@@ -23,7 +22,6 @@ class Projects::BuildsController < Projects::ApplicationController
 
   def cancel_all
     @project.builds.running_or_pending.each(&:cancel)
-
     redirect_to namespace_project_builds_path(project.namespace, project)
   end
 
@@ -46,20 +44,18 @@ class Projects::BuildsController < Projects::ApplicationController
     end
 
     build = Ci::Build.retry(@build)
-
     redirect_to build_path(build)
   end
 
-  def status
-    render json: @build.to_json(only: [:status, :id, :sha, :coverage], methods: :sha)
-  end
-
   def cancel
     @build.cancel
-
     redirect_to build_path(@build)
   end
 
+  def status
+    render json: @build.to_json(only: [:status, :id, :sha, :coverage], methods: :sha)
+  end
+
   private
 
   def build
@@ -69,10 +65,4 @@ class Projects::BuildsController < Projects::ApplicationController
   def build_path(build)
     namespace_project_build_path(build.project.namespace, build.project, build)
   end
-
-  def authorize_manage_builds!
-    unless can?(current_user, :manage_builds, project)
-      return render_404
-    end
-  end
 end
diff --git a/app/controllers/projects/commit_controller.rb b/app/controllers/projects/commit_controller.rb
index 5a084e123a1..36951b91372 100644
--- a/app/controllers/projects/commit_controller.rb
+++ b/app/controllers/projects/commit_controller.rb
@@ -4,15 +4,13 @@
 class Projects::CommitController < Projects::ApplicationController
   # Authorize
   before_action :require_non_empty_project
-  before_action :authorize_download_code!, except: [:cancel_builds]
-  before_action :authorize_manage_builds!, only: [:cancel_builds]
+  before_action :authorize_download_code!, except: [:cancel_builds, :retry_builds]
+  before_action :authorize_update_build!, only: [:cancel_builds, :retry_builds]
+  before_action :authorize_read_commit_status!, only: [:builds]
   before_action :commit
-  before_action :authorize_manage_builds!, only: [:cancel_builds, :retry_builds]
   before_action :define_show_vars, only: [:show, :builds]
 
   def show
-    return git_not_found! unless @commit
-
     apply_diff_view_cookie!
 
     @line_notes = commit.notes.inline
@@ -68,6 +66,8 @@ class Projects::CommitController < Projects::ApplicationController
   end
 
   def define_show_vars
+    return git_not_found! unless commit
+
     if params[:w].to_i == 1
       @diffs = commit.diffs({ ignore_whitespace_change: true })
     else
@@ -79,10 +79,4 @@ class Projects::CommitController < Projects::ApplicationController
 
     @statuses = ci_commit.statuses if ci_commit
   end
-
-  def authorize_manage_builds!
-    unless can?(current_user, :manage_builds, project)
-      return render_404
-    end
-  end
 end
diff --git a/app/controllers/projects/commits_controller.rb b/app/controllers/projects/commits_controller.rb
index bf5b54c8cb7..1420b96840c 100644
--- a/app/controllers/projects/commits_controller.rb
+++ b/app/controllers/projects/commits_controller.rb
@@ -21,6 +21,9 @@ class Projects::CommitsController < Projects::ApplicationController
     @note_counts = project.notes.where(commit_id: @commits.map(&:id)).
       group(:commit_id).count
 
+    @merge_request = @project.merge_requests.opened.
+      find_by(source_project: @project, source_branch: @ref, target_branch: @repository.root_ref)
+
     respond_to do |format|
       format.html
       format.json { pager_json("projects/commits/_commits", @commits.size) }
diff --git a/app/controllers/projects/compare_controller.rb b/app/controllers/projects/compare_controller.rb
index 7bbe75b3974..dc5d217f3e4 100644
--- a/app/controllers/projects/compare_controller.rb
+++ b/app/controllers/projects/compare_controller.rb
@@ -4,24 +4,23 @@ class Projects::CompareController < Projects::ApplicationController
   # Authorize
   before_action :require_non_empty_project
   before_action :authorize_download_code!
+  before_action :assign_ref_vars, only: [:index, :show]
+  before_action :merge_request, only: [:index, :show]
 
   def index
-    @ref = Addressable::URI.unescape(params[:to])
   end
 
   def show
-    base_ref = Addressable::URI.unescape(params[:from])
-    @ref = head_ref = Addressable::URI.unescape(params[:to])
     diff_options = { ignore_whitespace_change: true } if params[:w] == '1'
 
     compare_result = CompareService.new.
-      execute(@project, head_ref, @project, base_ref, diff_options)
+      execute(@project, @head_ref, @project, @base_ref, diff_options)
 
     if compare_result
       @commits = Commit.decorate(compare_result.commits, @project)
       @diffs = compare_result.diffs
-      @commit = @project.commit(head_ref)
-      @base_commit = @project.merge_base_commit(base_ref, head_ref)
+      @commit = @project.commit(@head_ref)
+      @base_commit = @project.merge_base_commit(@base_ref, @head_ref)
       @diff_refs = [@base_commit, @commit]
       @line_notes = []
     end
@@ -31,4 +30,16 @@ class Projects::CompareController < Projects::ApplicationController
     redirect_to namespace_project_compare_path(@project.namespace, @project,
                                                params[:from], params[:to])
   end
+
+  private
+
+  def assign_ref_vars
+    @base_ref = Addressable::URI.unescape(params[:from])
+    @ref = @head_ref = Addressable::URI.unescape(params[:to])
+  end
+
+  def merge_request
+    @merge_request ||= @project.merge_requests.opened.
+      find_by(source_project: @project, source_branch: @head_ref, target_branch: @base_ref)
+  end
 end
diff --git a/app/controllers/projects/milestones_controller.rb b/app/controllers/projects/milestones_controller.rb
index 15506bd677a..a5c4ef1c7c7 100644
--- a/app/controllers/projects/milestones_controller.rb
+++ b/app/controllers/projects/milestones_controller.rb
@@ -11,11 +11,12 @@ class Projects::MilestonesController < Projects::ApplicationController
   respond_to :html
 
   def index
-    @milestones = case params[:state]
-                  when 'all'; @project.milestones.order("state, due_date DESC")
-                  when 'closed'; @project.milestones.closed.order("due_date DESC")
-                  else @project.milestones.active.order("due_date ASC")
-                  end
+    @milestones =
+      case params[:state]
+      when 'all' then @project.milestones.reorder(due_date: :desc, title: :asc)
+      when 'closed' then @project.milestones.closed.reorder(due_date: :desc, title: :asc)
+      else @project.milestones.active.reorder(due_date: :asc, title: :asc)
+      end
 
     @milestones = @milestones.includes(:project)
     @milestones = @milestones.page(params[:page]).per(PER_PAGE)
diff --git a/app/controllers/projects/runner_projects_controller.rb b/app/controllers/projects/runner_projects_controller.rb
index e2785caa2fb..bedeb4a295c 100644
--- a/app/controllers/projects/runner_projects_controller.rb
+++ b/app/controllers/projects/runner_projects_controller.rb
@@ -1,5 +1,5 @@
 class Projects::RunnerProjectsController < Projects::ApplicationController
-  before_action :authorize_admin_project!
+  before_action :authorize_admin_build!
 
   layout 'project_settings'
 
diff --git a/app/controllers/projects/runners_controller.rb b/app/controllers/projects/runners_controller.rb
index 4993b2648a5..0dd2d6a99be 100644
--- a/app/controllers/projects/runners_controller.rb
+++ b/app/controllers/projects/runners_controller.rb
@@ -1,6 +1,6 @@
 class Projects::RunnersController < Projects::ApplicationController
+  before_action :authorize_admin_build!
   before_action :set_runner, only: [:edit, :update, :destroy, :pause, :resume, :show]
-  before_action :authorize_admin_project!
 
   layout 'project_settings'
 
diff --git a/app/controllers/projects/triggers_controller.rb b/app/controllers/projects/triggers_controller.rb
index 30adfad1daa..92359745cec 100644
--- a/app/controllers/projects/triggers_controller.rb
+++ b/app/controllers/projects/triggers_controller.rb
@@ -1,5 +1,5 @@
 class Projects::TriggersController < Projects::ApplicationController
-  before_action :authorize_admin_project!
+  before_action :authorize_admin_build!
 
   layout 'project_settings'
 
diff --git a/app/controllers/projects/variables_controller.rb b/app/controllers/projects/variables_controller.rb
index 10efafea9db..00234654578 100644
--- a/app/controllers/projects/variables_controller.rb
+++ b/app/controllers/projects/variables_controller.rb
@@ -1,5 +1,5 @@
 class Projects::VariablesController < Projects::ApplicationController
-  before_action :authorize_admin_project!
+  before_action :authorize_admin_build!
 
   layout 'project_settings'
 
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 4df5095bd94..14ca7426c2f 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -227,6 +227,7 @@ class ProjectsController < ApplicationController
       :issues_enabled, :merge_requests_enabled, :snippets_enabled, :issues_tracker_id, :default_branch,
       :wiki_enabled, :visibility_level, :import_url, :last_activity_at, :namespace_id, :avatar,
       :builds_enabled, :build_allow_git_fetch, :build_timeout_in_minutes, :build_coverage_regex,
+      :public_builds,
     )
   end
 
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 622cbfe3cc4..ecefa9b006d 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -212,8 +212,7 @@ module ApplicationHelper
         file_content
       end
     else
-      GitHub::Markup.render(file_name, file_content).
-        force_encoding(file_content.encoding).html_safe
+      other_markup(file_name, file_content)
     end
   rescue RuntimeError
     simple_format(file_content)
@@ -281,76 +280,6 @@ module ApplicationHelper
     end
   end
 
-  def issuable_link_next(project,issuable)
-    if project.nil?
-      nil
-    elsif current_controller?(:issues)
-      namespace_project_issue_path(project.namespace, project, next_issuable_for(project, issuable.id).try(:iid))
-    elsif current_controller?(:merge_requests)
-      namespace_project_merge_request_path(project.namespace, project, next_issuable_for(project, issuable.id).try(:iid))
-    end
-  end
-
-  def issuable_link_prev(project,issuable)
-    if project.nil?
-      nil
-    elsif current_controller?(:issues)
-      namespace_project_issue_path(project.namespace, project, prev_issuable_for(project, issuable.id).try(:iid))
-    elsif current_controller?(:merge_requests)
-      namespace_project_merge_request_path(project.namespace, project, prev_issuable_for(project, issuable.id).try(:iid))
-    end
-  end
-
-  def issuable_count(entity, project)
-    if project.nil?
-      0
-    elsif current_controller?(:issues)
-      project.issues.send(entity).count
-    elsif current_controller?(:merge_requests)
-      project.merge_requests.send(entity).count
-    end
-  end
-
-  def next_issuable_for(project, id)
-    if project.nil?
-      nil
-    elsif current_controller?(:issues)
-      project.issues.where("id > ?", id).last
-    elsif current_controller?(:merge_requests)
-      project.merge_requests.where("id > ?", id).last
-    end
-  end
-
-  def has_next_issuable?(project, id)
-    if project.nil?
-      nil
-    elsif current_controller?(:issues)
-      project.issues.where("id > ?", id).last
-    elsif current_controller?(:merge_requests)
-      project.merge_requests.where("id > ?", id).last
-    end
-  end
-
-  def prev_issuable_for(project, id)
-    if project.nil?
-      nil
-    elsif current_controller?(:issues)
-      project.issues.where("id < ?", id).first
-    elsif current_controller?(:merge_requests)
-      project.merge_requests.where("id < ?", id).first
-    end
-  end
-
-  def has_prev_issuable?(project, id)
-    if project.nil?
-      nil
-    elsif current_controller?(:issues)
-      project.issues.where("id < ?", id).first
-    elsif current_controller?(:merge_requests)
-      project.merge_requests.where("id < ?", id).first
-    end
-  end
-
   def state_filters_text_for(entity, project)
     titles = {
       opened: "Open"
diff --git a/app/helpers/broadcast_messages_helper.rb b/app/helpers/broadcast_messages_helper.rb
index 1ed8c710f77..43a29c96bca 100644
--- a/app/helpers/broadcast_messages_helper.rb
+++ b/app/helpers/broadcast_messages_helper.rb
@@ -3,7 +3,7 @@ module BroadcastMessagesHelper
     return unless message.present?
 
     content_tag :div, class: 'broadcast-message', style: broadcast_message_style(message) do
-      icon('bullhorn') << ' ' << message.message
+      icon('bullhorn') << ' ' << render_broadcast_message(message.message)
     end
   end
 
@@ -31,4 +31,8 @@ module BroadcastMessagesHelper
       'Pending'
     end
   end
+
+  def render_broadcast_message(message)
+    Banzai.render(message, pipeline: :broadcast_message).html_safe
+  end
 end
diff --git a/app/helpers/gitlab_markdown_helper.rb b/app/helpers/gitlab_markdown_helper.rb
index 1a226252251..89d2a648494 100644
--- a/app/helpers/gitlab_markdown_helper.rb
+++ b/app/helpers/gitlab_markdown_helper.rb
@@ -78,6 +78,21 @@ module GitlabMarkdownHelper
     )
   end
 
+  def other_markup(file_name, text)
+    Gitlab::OtherMarkup.render(
+      file_name,
+      text,
+      project:      @project,
+      current_user: (current_user if defined?(current_user)),
+
+      # RelativeLinkFilter
+      project_wiki:   @project_wiki,
+      requested_path: @path,
+      ref:            @ref,
+      commit:         @commit
+    )
+  end
+
   # Return the first line of +text+, up to +max_chars+, after parsing the line
   # as Markdown.  HTML tags in the parsed output are not counted toward the
   # +max_chars+ limit.  If the length limit falls within a tag's contents, then
diff --git a/app/helpers/issuables_helper.rb b/app/helpers/issuables_helper.rb
new file mode 100644
index 00000000000..91a3aa371ef
--- /dev/null
+++ b/app/helpers/issuables_helper.rb
@@ -0,0 +1,37 @@
+module IssuablesHelper
+
+  def sidebar_gutter_toggle_icon
+    sidebar_gutter_collapsed? ? icon('angle-double-left') : icon('angle-double-right')
+  end
+
+  def sidebar_gutter_collapsed_class
+    "right-sidebar-#{sidebar_gutter_collapsed? ? 'collapsed' : 'expanded'}"
+  end
+
+  def issuables_count(issuable)
+    base_issuable_scope(issuable).maximum(:iid)
+  end
+
+  def next_issuable_for(issuable)
+    base_issuable_scope(issuable).where('iid > ?', issuable.iid).last
+  end
+
+  def prev_issuable_for(issuable)
+    base_issuable_scope(issuable).where('iid < ?', issuable.iid).first
+  end
+
+  private
+
+  def sidebar_gutter_collapsed?
+    cookies[:collapsed_gutter] == 'true'
+  end
+
+  def base_issuable_scope(issuable)
+    issuable.project.send(issuable.class.table_name).send(issuable_state_scope(issuable))
+  end
+
+  def issuable_state_scope(issuable)
+    issuable.open? ? :opened : :closed
+  end
+
+end
diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index 43262d579e9..ae4ebc0854a 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -44,14 +44,14 @@ module IssuesHelper
   end
 
   def bulk_update_milestone_options
-    milestones = project_active_milestones.to_a
+    milestones = @project.milestones.active.reorder(due_date: :asc, title: :asc).to_a
     milestones.unshift(Milestone::None)
 
     options_from_collection_for_select(milestones, 'id', 'title', params[:milestone_id])
   end
 
   def milestone_options(object)
-    milestones = object.project.milestones.active.to_a
+    milestones = object.project.milestones.active.reorder(due_date: :asc, title: :asc).to_a
     milestones.unshift(Milestone::None)
 
     options_from_collection_for_select(milestones, 'id', 'title', object.milestone_id)
@@ -69,7 +69,7 @@ module IssuesHelper
     end
   end
 
-  def issue_button_visibility(issue, closed)    
+  def issue_button_visibility(issue, closed)
     return 'hidden' if issue.closed? == closed
   end
 
diff --git a/app/helpers/nav_helper.rb b/app/helpers/nav_helper.rb
index 75f2ed5e054..29cb753e62c 100644
--- a/app/helpers/nav_helper.rb
+++ b/app/helpers/nav_helper.rb
@@ -3,18 +3,6 @@ module NavHelper
     cookies[:collapsed_nav] == 'true'
   end
 
-  def sidebar_gutter_collapsed_class
-    if cookies[:collapsed_gutter] == 'true'
-      "right-sidebar-collapsed"
-    else
-      "right-sidebar-expanded"
-    end
-  end
-
-  def sidebar_gutter_collapsed?
-    cookies[:collapsed_gutter] == 'true'
-  end
-
   def nav_sidebar_class
     if nav_menu_collapsed?
       "sidebar-collapsed"
@@ -32,9 +20,9 @@ module NavHelper
   end
 
   def page_gutter_class
-    if current_path?('merge_requests#show') || 
-      current_path?('merge_requests#diffs') || 
-      current_path?('merge_requests#commits') || 
+    if current_path?('merge_requests#show') ||
+      current_path?('merge_requests#diffs') ||
+      current_path?('merge_requests#commits') ||
       current_path?('issues#show')
       if cookies[:collapsed_gutter] == 'true'
         "page-gutter right-sidebar-collapsed"
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index dd49283089d..d6fb629b0c2 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -98,10 +98,6 @@ module ProjectsHelper
     project_nav_tabs.include? name
   end
 
-  def project_active_milestones
-    @project.milestones.active.order("due_date, title ASC")
-  end
-
   def project_for_deploy_key(deploy_key)
     if deploy_key.projects.include?(@project)
       @project
@@ -141,7 +137,7 @@ module ProjectsHelper
       nav_tabs << :merge_requests
     end
 
-    if project.builds_enabled? && can?(current_user, :read_build, project)
+    if can?(current_user, :read_build, project)
       nav_tabs << :builds
     end
 
diff --git a/app/helpers/snippets_helper.rb b/app/helpers/snippets_helper.rb
index bc36434f549..41ae4048992 100644
--- a/app/helpers/snippets_helper.rb
+++ b/app/helpers/snippets_helper.rb
@@ -33,7 +33,7 @@ module SnippetsHelper
   # surrounding code.
   #
   # @returns Array, unique and sorted.
-  def matching_lines(lined_content, surrounding_lines)
+  def matching_lines(lined_content, surrounding_lines, query)
     used_lines = []
     lined_content.each_with_index do |line, line_number|
       used_lines.concat bounded_line_numbers(
@@ -51,9 +51,9 @@ module SnippetsHelper
   # surrounding_lines() worth of unmatching lines.
   #
   # @returns a hash with {snippet_object, snippet_chunks:{data,start_line}}
-  def chunk_snippet(snippet, surrounding_lines = 3)
+  def chunk_snippet(snippet, query, surrounding_lines = 3)
     lined_content = snippet.content.split("\n")
-    used_lines = matching_lines(lined_content, surrounding_lines)
+    used_lines = matching_lines(lined_content, surrounding_lines, query)
 
     snippet_chunk = []
     snippet_chunks = []
diff --git a/app/mailers/emails/builds.rb b/app/mailers/emails/builds.rb
index 64c1ce8cfab..2f86d1be576 100644
--- a/app/mailers/emails/builds.rb
+++ b/app/mailers/emails/builds.rb
@@ -3,26 +3,27 @@ module Emails
     def build_fail_email(build_id, to)
       @build = Ci::Build.find(build_id)
       @project = @build.project
+
       add_project_headers
-      add_build_headers
-      headers['X-GitLab-Build-Status'] = "failed"
+      add_build_headers('failed')
       mail(to: to, subject: subject("Build failed for #{@project.name}", @build.short_sha))
     end
 
     def build_success_email(build_id, to)
       @build = Ci::Build.find(build_id)
       @project = @build.project
+
       add_project_headers
-      add_build_headers
-      headers['X-GitLab-Build-Status'] = "success"
+      add_build_headers('success')
       mail(to: to, subject: subject("Build success for #{@project.name}", @build.short_sha))
     end
 
     private
-    def add_build_headers
+
+    def add_build_headers(status)
       headers['X-GitLab-Build-Id'] = @build.id
       headers['X-GitLab-Build-Ref'] = @build.ref
+      headers['X-GitLab-Build-Status'] = status.to_s
     end
-
   end
 end
diff --git a/app/models/ability.rb b/app/models/ability.rb
index ab59a3506a2..a866eadeebb 100644
--- a/app/models/ability.rb
+++ b/app/models/ability.rb
@@ -5,17 +5,18 @@ class Ability
       return [] unless user.is_a?(User)
       return [] if user.blocked?
 
-      case subject.class.name
-      when "Project" then project_abilities(user, subject)
-      when "Issue" then issue_abilities(user, subject)
-      when "Note" then note_abilities(user, subject)
-      when "ProjectSnippet" then project_snippet_abilities(user, subject)
-      when "PersonalSnippet" then personal_snippet_abilities(user, subject)
-      when "MergeRequest" then merge_request_abilities(user, subject)
-      when "Group" then group_abilities(user, subject)
-      when "Namespace" then namespace_abilities(user, subject)
-      when "GroupMember" then group_member_abilities(user, subject)
-      when "ProjectMember" then project_member_abilities(user, subject)
+      case subject
+      when CommitStatus then commit_status_abilities(user, subject)
+      when Project then project_abilities(user, subject)
+      when Issue then issue_abilities(user, subject)
+      when Note then note_abilities(user, subject)
+      when ProjectSnippet then project_snippet_abilities(user, subject)
+      when PersonalSnippet then personal_snippet_abilities(user, subject)
+      when MergeRequest then merge_request_abilities(user, subject)
+      when Group then group_abilities(user, subject)
+      when Namespace then namespace_abilities(user, subject)
+      when GroupMember then group_member_abilities(user, subject)
+      when ProjectMember then project_member_abilities(user, subject)
       else []
       end.concat(global_abilities(user))
     end
@@ -25,6 +26,8 @@ class Ability
       case true
       when subject.is_a?(PersonalSnippet)
         anonymous_personal_snippet_abilities(subject)
+      when subject.is_a?(CommitStatus)
+        anonymous_commit_status_abilities(subject)
       when subject.is_a?(Project) || subject.respond_to?(:project)
         anonymous_project_abilities(subject)
       when subject.is_a?(Group) || subject.respond_to?(:group)
@@ -52,16 +55,26 @@ class Ability
           :read_project_member,
           :read_merge_request,
           :read_note,
-          :read_build,
+          :read_commit_status,
           :download_code
         ]
 
+        # Allow to read builds by anonymous user if guests are allowed
+        rules << :read_build if project.public_builds?
+
         rules - project_disabled_features_rules(project)
       else
         []
       end
     end
 
+    def anonymous_commit_status_abilities(subject)
+      rules = anonymous_project_abilities(subject.project)
+      # If subject is Ci::Build which inherits from CommitStatus filter the abilities
+      rules = filter_build_abilities(rules) if subject.is_a?(Ci::Build)
+      rules
+    end
+
     def anonymous_group_abilities(subject)
       group = if subject.is_a?(Group)
                 subject
@@ -113,6 +126,9 @@ class Ability
 
         if project.public? || project.internal?
           rules.push(*public_project_rules)
+
+          # Allow to read builds for internal projects
+          rules << :read_build if project.public_builds?
         end
 
         if project.owner == user || user.admin?
@@ -134,7 +150,8 @@ class Ability
     def public_project_rules
       @public_project_rules ||= project_guest_rules + [
         :download_code,
-        :fork_project
+        :fork_project,
+        :read_commit_status,
       ]
     end
 
@@ -149,7 +166,6 @@ class Ability
         :read_project_member,
         :read_merge_request,
         :read_note,
-        :read_build,
         :create_project,
         :create_issue,
         :create_note
@@ -158,24 +174,26 @@ class Ability
 
     def project_report_rules
       @project_report_rules ||= project_guest_rules + [
-        :create_commit_status,
-        :read_commit_statuses,
-        :read_build_artifacts,
         :download_code,
         :fork_project,
         :create_project_snippet,
         :update_issue,
         :admin_issue,
-        :admin_label
+        :admin_label,
+        :read_commit_status,
+        :read_build,
       ]
     end
 
     def project_dev_rules
       @project_dev_rules ||= project_report_rules + [
         :admin_merge_request,
+        :create_commit_status,
+        :update_commit_status,
+        :create_build,
+        :update_build,
         :create_merge_request,
         :create_wiki,
-        :manage_builds,
         :push_code
       ]
     end
@@ -201,7 +219,9 @@ class Ability
         :admin_merge_request,
         :admin_note,
         :admin_wiki,
-        :admin_project
+        :admin_project,
+        :admin_commit_status,
+        :admin_build
       ]
     end
 
@@ -240,6 +260,10 @@ class Ability
         rules += named_abilities('wiki')
       end
 
+      unless project.builds_enabled
+        rules += named_abilities('build')
+      end
+
       rules
     end
 
@@ -376,6 +400,22 @@ class Ability
       rules
     end
 
+    def commit_status_abilities(user, subject)
+      rules = project_abilities(user, subject.project)
+      # If subject is Ci::Build which inherits from CommitStatus filter the abilities
+      rules = filter_build_abilities(rules) if subject.is_a?(Ci::Build)
+      rules
+    end
+
+    def filter_build_abilities(rules)
+      # If we can't read build we should also not have that
+      # ability when looking at this in context of commit_status
+      %w(read create update admin).each do |rule|
+        rules.delete(:"#{rule}_commit_status") unless rules.include?(:"#{rule}_build")
+      end
+      rules
+    end
+
     def abilities
       @abilities ||= begin
         abilities = Six.new
diff --git a/app/models/application_setting.rb b/app/models/application_setting.rb
index 9cafc78f761..269056e0e77 100644
--- a/app/models/application_setting.rb
+++ b/app/models/application_setting.rb
@@ -43,6 +43,7 @@
 #  metrics_port                      :integer          default(8089)
 #  sentry_enabled                    :boolean          default(FALSE)
 #  sentry_dsn                        :string
+#  email_author_in_body              :boolean          default(FALSE)
 #
 
 class ApplicationSetting < ActiveRecord::Base
@@ -70,8 +71,8 @@ class ApplicationSetting < ActiveRecord::Base
             url: true
 
   validates :admin_notification_email,
-            allow_blank: true,
-            email: true
+            email: true,
+            allow_blank: true
 
   validates :two_factor_grace_period,
             numericality: { greater_than_or_equal_to: 0 }
@@ -92,6 +93,10 @@ class ApplicationSetting < ActiveRecord::Base
             presence: true,
             if: :akismet_enabled
 
+  validates :max_attachment_size,
+            presence: true,
+            numericality: { only_integer: true, greater_than: 0 }
+
   validates_each :restricted_visibility_levels do |record, attr, value|
     unless value.nil?
       value.each do |level|
diff --git a/app/models/concerns/issuable.rb b/app/models/concerns/issuable.rb
index 04650a9e67a..5136d0196a5 100644
--- a/app/models/concerns/issuable.rb
+++ b/app/models/concerns/issuable.rb
@@ -126,17 +126,17 @@ module Issuable
   end
 
   def to_hook_data(user)
-    {
+    hook_data = {
       object_kind: self.class.name.underscore,
       user: user.hook_attrs,
-      repository: {
-          name: project.name,
-          url: project.url_to_repo,
-          description: project.description,
-          homepage: project.web_url
-      },
-      object_attributes: hook_attrs
+      project: project.hook_attrs,
+      object_attributes: hook_attrs,
+      # DEPRECATED
+      repository: project.hook_attrs.slice(:name, :url, :description, :homepage)
     }
+    hook_data.merge!(assignee: assignee.hook_attrs) if assignee
+
+    hook_data
   end
 
   def label_names
diff --git a/app/models/email.rb b/app/models/email.rb
index 935705e2ed4..b323d1edd10 100644
--- a/app/models/email.rb
+++ b/app/models/email.rb
@@ -15,7 +15,7 @@ class Email < ActiveRecord::Base
   belongs_to :user
 
   validates :user_id, presence: true
-  validates :email, presence: true, email: { strict_mode: true }, uniqueness: true
+  validates :email, presence: true, uniqueness: true, email: true
   validate :unique_email, if: ->(email) { email.email_changed? }
 
   before_validation :cleanup_email
diff --git a/app/models/member.rb b/app/models/member.rb
index 34efcd0088d..ca08007b7eb 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -39,7 +39,6 @@ class Member < ActiveRecord::Base
       if: :invite?
     },
     email: {
-      strict_mode: true,
       allow_nil: true
     },
     uniqueness: {
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index ddc476447ca..1be8061e53d 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -137,6 +137,7 @@ class MergeRequest < ActiveRecord::Base
   scope :by_milestone, ->(milestone) { where(milestone_id: milestone) }
   scope :in_projects, ->(project_ids) { where("source_project_id in (:project_ids) OR target_project_id in (:project_ids)", project_ids: project_ids) }
   scope :of_projects, ->(ids) { where(target_project_id: ids) }
+  scope :opened, -> { with_state(:opened) }
   scope :merged, -> { with_state(:merged) }
   scope :closed, -> { with_state(:closed) }
   scope :closed_and_merged, -> { with_states(:closed, :merged) }
@@ -240,7 +241,7 @@ class MergeRequest < ActiveRecord::Base
     return unless unchecked?
 
     can_be_merged =
-      project.repository.can_be_merged?(source_sha, target_branch)
+      !broken? && project.repository.can_be_merged?(source_sha, target_branch)
 
     if can_be_merged
       mark_as_mergeable
diff --git a/app/models/milestone.rb b/app/models/milestone.rb
index c9a0ad8b9b6..9c4476c768e 100644
--- a/app/models/milestone.rb
+++ b/app/models/milestone.rb
@@ -34,7 +34,7 @@ class Milestone < ActiveRecord::Base
   scope :closed, -> { with_state(:closed) }
   scope :of_projects, ->(ids) { where(project_id: ids) }
 
-  validates :title, presence: true
+  validates :title, presence: true, uniqueness: { scope: :project_id }
   validates :project, presence: true
 
   strip_attributes :title
diff --git a/app/models/project.rb b/app/models/project.rb
index 043f08b9a13..a43878ebcad 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -342,7 +342,7 @@ class Project < ActiveRecord::Base
   end
 
   def repository
-    @repository ||= Repository.new(path_with_namespace, nil, self)
+    @repository ||= Repository.new(path_with_namespace, self)
   end
 
   def commit(id = 'HEAD')
@@ -738,11 +738,20 @@ class Project < ActiveRecord::Base
   def hook_attrs
     {
       name: name,
-      ssh_url: ssh_url_to_repo,
-      http_url: http_url_to_repo,
+      description: description,
       web_url: web_url,
+      avatar_url: avatar_url,
+      git_ssh_url: ssh_url_to_repo,
+      git_http_url: http_url_to_repo,
       namespace: namespace.name,
-      visibility_level: visibility_level
+      visibility_level: visibility_level,
+      path_with_namespace: path_with_namespace,
+      default_branch: default_branch,
+      # Backward compatibility
+      homepage: web_url,
+      url: url_to_repo,
+      ssh_url: ssh_url_to_repo,
+      http_url: http_url_to_repo
     }
   end
 
@@ -790,6 +799,8 @@ class Project < ActiveRecord::Base
   def change_head(branch)
     # Cached divergent commit counts are based on repository head
     repository.expire_branch_cache
+    repository.expire_root_ref_cache
+
     gitlab_shell.update_repository_head(self.path_with_namespace, branch)
     reload_default_branch
   end
diff --git a/app/models/project_services/pushover_service.rb b/app/models/project_services/pushover_service.rb
index 3d7e8bbee61..e76d9eca2ab 100644
--- a/app/models/project_services/pushover_service.rb
+++ b/app/models/project_services/pushover_service.rb
@@ -112,7 +112,7 @@ class PushoverService < Service
       priority: priority,
       title: "#{project.name_with_namespace}",
       message: message,
-      url: data[:repository][:homepage],
+      url: data[:project][:web_url],
       url_title: "See project #{project.name_with_namespace}"
     }
 
diff --git a/app/models/project_wiki.rb b/app/models/project_wiki.rb
index c847eba8d1c..c96e6f0b8ea 100644
--- a/app/models/project_wiki.rb
+++ b/app/models/project_wiki.rb
@@ -123,7 +123,7 @@ class ProjectWiki
   end
 
   def repository
-    Repository.new(path_with_namespace, default_branch, @project)
+    Repository.new(path_with_namespace, @project)
   end
 
   def default_branch
diff --git a/app/models/repository.rb b/app/models/repository.rb
index e813c946bc1..ba275fd9803 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -15,7 +15,7 @@ class Repository
     Gitlab::Popen.popen(%W(find #{repository_downloads_path} -not -path #{repository_downloads_path} -mmin +120 -delete))
   end
 
-  def initialize(path_with_namespace, default_branch = nil, project = nil)
+  def initialize(path_with_namespace, project)
     @path_with_namespace = path_with_namespace
     @project = project
   end
@@ -44,7 +44,9 @@ class Repository
   end
 
   def empty?
-    raw_repository.empty?
+    return @empty unless @empty.nil?
+
+    @empty = cache.fetch(:empty?) { raw_repository.empty? }
   end
 
   #
@@ -57,7 +59,11 @@ class Repository
   # This method return true if repository contains some content visible in project page.
   #
   def has_visible_content?
-    raw_repository.branch_count > 0
+    return @has_visible_content unless @has_visible_content.nil?
+
+    @has_visible_content = cache.fetch(:has_visible_content?) do
+      raw_repository.branch_count > 0
+    end
   end
 
   def commit(id = 'HEAD')
@@ -78,7 +84,8 @@ class Repository
       offset: offset,
       # --follow doesn't play well with --skip. See:
       # https://gitlab.com/gitlab-org/gitlab-ce/issues/3574#note_3040520
-      follow: false
+      follow: false,
+      skip_merges: skip_merges
     }
 
     commits = Gitlab::Git::Commit.where(options)
@@ -199,12 +206,6 @@ class Repository
        readme version contribution_guide changelog license)
   end
 
-  def branch_cache_keys
-    branches.map do |branch|
-      :"diverging_commit_counts_#{branch.name}"
-    end
-  end
-
   def build_cache
     cache_keys.each do |key|
       unless cache.exist?(key)
@@ -229,20 +230,39 @@ class Repository
     @branches = nil
   end
 
-  def expire_cache
+  def expire_cache(branch_name = nil)
     cache_keys.each do |key|
       cache.expire(key)
     end
 
-    expire_branch_cache
+    expire_branch_cache(branch_name)
   end
 
-  def expire_branch_cache
-    branches.each do |branch|
-      cache.expire(:"diverging_commit_counts_#{branch.name}")
+  def expire_branch_cache(branch_name = nil)
+    # When we push to the root branch we have to flush the cache for all other
+    # branches as their statistics are based on the commits relative to the
+    # root branch.
+    if !branch_name || branch_name == root_ref
+      branches.each do |branch|
+        cache.expire(:"diverging_commit_counts_#{branch.name}")
+      end
+    # In case a commit is pushed to a non-root branch we only have to flush the
+    # cache for said branch.
+    else
+      cache.expire(:"diverging_commit_counts_#{branch_name}")
     end
   end
 
+  def expire_root_ref_cache
+    cache.expire(:root_ref)
+    @root_ref = nil
+  end
+
+  def expire_has_visible_content_cache
+    cache.expire(:has_visible_content?)
+    @has_visible_content = nil
+  end
+
   def rebuild_cache
     cache_keys.each do |key|
       cache.expire(key)
@@ -480,7 +500,7 @@ class Repository
   end
 
   def root_ref
-    @root_ref ||= raw_repository.root_ref
+    @root_ref ||= cache.fetch(:root_ref) { raw_repository.root_ref }
   end
 
   def commit_dir(user, path, message, branch)
diff --git a/app/models/user.rb b/app/models/user.rb
index a8e602f925a..1b0c82f45c4 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -151,16 +151,8 @@ class User < ActiveRecord::Base
   # Validations
   #
   validates :name, presence: true
-
-  [:avatar_crop_x, :avatar_crop_y, :avatar_crop_size].each do |field|
-    validates field, numericality: { only_integer: true }, allow_blank: true
-  end
-
-  # Note that a 'uniqueness' and presence check is provided by devise :validatable for email. We do not need to
-  # duplicate that here as the validation framework will have duplicate errors in the event of a failure.
-  validates :email, presence: true, email: { strict_mode: true }
-  validates :notification_email, presence: true, email: { strict_mode: true }
-  validates :public_email, presence: true, email: { strict_mode: true }, allow_blank: true, uniqueness: true
+  validates :notification_email, presence: true, email: true
+  validates :public_email, presence: true, uniqueness: true, email: true, allow_blank: true
   validates :bio, length: { maximum: 255 }, allow_blank: true
   validates :projects_limit, presence: true, numericality: { greater_than_or_equal_to: 0 }
   validates :username,
@@ -176,6 +168,10 @@ class User < ActiveRecord::Base
   validate :owns_public_email, if: ->(user) { user.public_email_changed? }
   validates :avatar, file_size: { maximum: 200.kilobytes.to_i }
 
+  [:avatar_crop_x, :avatar_crop_y, :avatar_crop_size].each do |field|
+    validates field, numericality: { only_integer: true }, allow_blank: true
+  end
+
   before_validation :generate_password, on: :create
   before_validation :restricted_signup_domains, on: :create
   before_validation :sanitize_attrs
diff --git a/app/services/ci/image_for_build_service.rb b/app/services/ci/image_for_build_service.rb
index f469b13e902..005a5c4661c 100644
--- a/app/services/ci/image_for_build_service.rb
+++ b/app/services/ci/image_for_build_service.rb
@@ -1,28 +1,23 @@
 module Ci
   class ImageForBuildService
-    def execute(project, params)
-      sha = params[:sha]
-      sha ||=
-        if params[:ref]
-          project.commit(params[:ref]).try(:sha)
-        end
+    def execute(project, opts)
+      sha = opts[:sha] || ref_sha(project, opts[:ref])
 
       commit = project.ci_commits.ordered.find_by(sha: sha)
       image_name = image_for_commit(commit)
 
       image_path = Rails.root.join('public/ci', image_name)
-
-      OpenStruct.new(
-        path: image_path,
-        name: image_name
-      )
+      OpenStruct.new(path: image_path, name: image_name)
     end
 
     private
 
+    def ref_sha(project, ref)
+      project.commit(ref).try(:sha) if ref
+    end
+
     def image_for_commit(commit)
       return 'build-unknown.svg' unless commit
-
       'build-' + commit.status + ".svg"
     end
   end
diff --git a/app/services/create_branch_service.rb b/app/services/create_branch_service.rb
index c0e08a151f2..707c2f7ff85 100644
--- a/app/services/create_branch_service.rb
+++ b/app/services/create_branch_service.rb
@@ -29,11 +29,7 @@ class CreateBranchService < BaseService
     end
 
     if new_branch
-      push_data = build_push_data(project, current_user, new_branch)
-
-      project.execute_hooks(push_data.dup, :push_hooks)
-      project.execute_services(push_data.dup, :push_hooks)
-
+      # GitPushService handles execution of services and hooks for branch pushes
       success(new_branch)
     else
       error('Invalid reference name')
diff --git a/app/services/delete_branch_service.rb b/app/services/delete_branch_service.rb
index 004b3ce7286..fae069ee4a5 100644
--- a/app/services/delete_branch_service.rb
+++ b/app/services/delete_branch_service.rb
@@ -25,11 +25,7 @@ class DeleteBranchService < BaseService
     end
 
     if repository.rm_branch(current_user, branch_name)
-      push_data = build_push_data(branch)
-
-      project.execute_hooks(push_data.dup, :push_hooks)
-      project.execute_services(push_data.dup, :push_hooks)
-
+      # GitPushService handles execution of services and hooks for branch pushes
       success('Branch was removed')
     else
       error('Failed to remove branch')
diff --git a/app/services/git_push_service.rb b/app/services/git_push_service.rb
index d7ea30bc315..e3bf14966c8 100644
--- a/app/services/git_push_service.rb
+++ b/app/services/git_push_service.rb
@@ -18,18 +18,23 @@ class GitPushService
   def execute(project, user, oldrev, newrev, ref)
     @project, @user = project, user
 
-    project.repository.expire_cache
+    branch_name = Gitlab::Git.ref_name(ref)
+
+    project.repository.expire_cache(branch_name)
 
     if push_remove_branch?(ref, newrev)
+      project.repository.expire_has_visible_content_cache
+
       @push_commits = []
     elsif push_to_new_branch?(ref, oldrev)
+      project.repository.expire_has_visible_content_cache
+
       # Re-find the pushed commits.
       if is_default_branch?(ref)
         # Initial push to the default branch. Take the full history of that branch as "newly pushed".
         @push_commits = project.repository.commits(newrev)
 
         # Ensure HEAD points to the default branch in case it is not master
-        branch_name = Gitlab::Git.ref_name(ref)
         project.change_head(branch_name)
 
         # Set protection on the default branch if configured
diff --git a/app/services/system_note_service.rb b/app/services/system_note_service.rb
index 1083bcec054..edced010811 100644
--- a/app/services/system_note_service.rb
+++ b/app/services/system_note_service.rb
@@ -274,12 +274,15 @@ class SystemNoteService
   # Check if a cross reference to a noteable from a mentioner already exists
   #
   # This method is used to prevent multiple notes being created for a mention
-  # when a issue is updated, for example.
+  # when a issue is updated, for example. The method also calls notes_for_mentioner
+  # to check if the mentioner is a commit, and return matches only on commit hash
+  # instead of project + commit, to avoid repeated mentions from forks.
   #
   # noteable  - Noteable object being referenced
   # mentioner - Mentionable object
   #
   # Returns Boolean
+
   def self.cross_reference_exists?(noteable, mentioner)
     # Initial scope should be system notes of this noteable type
     notes = Note.system.where(noteable_type: noteable.class)
@@ -291,14 +294,20 @@ class SystemNoteService
       notes = notes.where(noteable_id: noteable.id)
     end
 
-    gfm_reference = mentioner.gfm_reference(noteable.project)
-    notes = notes.where(note: cross_reference_note_content(gfm_reference))
-
-    notes.count > 0
+    notes_for_mentioner(mentioner, noteable, notes).count > 0
   end
 
   private
 
+  def self.notes_for_mentioner(mentioner, noteable, notes)
+    if mentioner.is_a?(Commit)
+      notes.where('note LIKE ?', "#{cross_reference_note_prefix}%#{mentioner.to_reference(nil)}")
+    else
+      gfm_reference = mentioner.gfm_reference(noteable.project)
+      notes.where(note: cross_reference_note_content(gfm_reference))
+    end
+  end
+
   def self.create_note(args = {})
     Note.create(args.merge(system: true))
   end
diff --git a/app/validators/email_validator.rb b/app/validators/email_validator.rb
index b35af100803..aab07a7ece4 100644
--- a/app/validators/email_validator.rb
+++ b/app/validators/email_validator.rb
@@ -1,18 +1,5 @@
-# EmailValidator
-#
-# Based on https://github.com/balexand/email_validator
-#
-# Extended to use only strict mode with following allowed characters:
-# ' - apostrophe
-#
-# See http://www.remote.org/jochen/mail/info/chars.html
-#
 class EmailValidator < ActiveModel::EachValidator
-  PATTERN = /\A\s*([-a-z0-9+._']{1,64})@((?:[-a-z0-9]+\.)+[a-z]{2,})\s*\z/i.freeze
-
   def validate_each(record, attribute, value)
-    unless value =~ PATTERN
-      record.errors.add(attribute, options[:message] || :invalid)
-    end
+    record.errors.add(attribute, :invalid) unless value =~ Devise.email_regexp
   end
 end
diff --git a/app/views/admin/application_settings/_form.html.haml b/app/views/admin/application_settings/_form.html.haml
index b4e3d96d405..b30dfd109ea 100644
--- a/app/views/admin/application_settings/_form.html.haml
+++ b/app/views/admin/application_settings/_form.html.haml
@@ -48,6 +48,16 @@
             = f.check_box :version_check_enabled
             Version check enabled
     .form-group
+      .col-sm-offset-2.col-sm-10
+        .checkbox
+          = f.label :email_author_in_body do
+            = f.check_box :email_author_in_body
+            Include author name in notification email body
+          .help-block
+            Some email servers do not support overriding the email sender name.
+            Enable this option to include the name of the author of the issue,
+            merge request or comment in the email body instead.
+    .form-group
       = f.label :admin_notification_email, class: 'control-label col-sm-2'
       .col-sm-10
         = f.text_field :admin_notification_email, class: 'form-control'
diff --git a/app/views/admin/broadcast_messages/_form.html.haml b/app/views/admin/broadcast_messages/_form.html.haml
index 953b8b69368..5c9403fa0c2 100644
--- a/app/views/admin/broadcast_messages/_form.html.haml
+++ b/app/views/admin/broadcast_messages/_form.html.haml
@@ -1,6 +1,7 @@
 .broadcast-message-preview{ style: broadcast_message_style(@broadcast_message) }
   = icon('bullhorn')
-  %span= @broadcast_message.message || "Your message here"
+  .js-broadcast-message-preview
+    = render_broadcast_message(@broadcast_message.message.presence || "Your message here")
 
 = form_for [:admin, @broadcast_message], html: { class: 'broadcast-message-form form-horizontal js-requires-input'} do |f|
   -if @broadcast_message.errors.any?
@@ -10,7 +11,9 @@
   .form-group
     = f.label :message, class: 'control-label'
     .col-sm-10
-      = f.text_area :message, class: "form-control js-quick-submit", rows: 2, required: true
+      = f.text_area :message, class: "form-control js-quick-submit js-autosize",
+        required: true,
+        data: { preview_path: preview_admin_broadcast_messages_path }
   .form-group.js-toggle-colors-container
     .col-sm-10.col-sm-offset-2
       = link_to 'Customize colors', '#', class: 'js-toggle-colors-link'
diff --git a/app/views/admin/broadcast_messages/preview.js.haml b/app/views/admin/broadcast_messages/preview.js.haml
new file mode 100644
index 00000000000..fbc9453c72e
--- /dev/null
+++ b/app/views/admin/broadcast_messages/preview.js.haml
@@ -0,0 +1 @@
+$('.js-broadcast-message-preview').html("#{j(render_broadcast_message(@message))}");
diff --git a/app/views/admin/builds/_build.html.haml b/app/views/admin/builds/_build.html.haml
index c395bd908c3..34d955568f2 100644
--- a/app/views/admin/builds/_build.html.haml
+++ b/app/views/admin/builds/_build.html.haml
@@ -4,7 +4,7 @@
     = ci_status_with_icon(build.status)
 
   %td.build-link
-    - if build.target_url
+    - if can?(current_user, :read_build, project) && build.target_url
       = link_to build.target_url do
         %strong Build ##{build.id}
     - else
@@ -60,10 +60,10 @@
 
   %td
     .pull-right
-      - if current_user && can?(current_user, :read_build_artifacts, project) && build.artifacts?
+      - if can?(current_user, :read_build, project) && build.artifacts?
         = link_to build.artifacts_download_url, title: 'Download artifacts' do
           %i.fa.fa-download
-      - if current_user && can?(current_user, :manage_builds, build.project)
+      - if can?(current_user, :update_build, build.project)
         - if build.active?
           - if build.cancel_url
             = link_to build.cancel_url, method: :post, title: 'Cancel' do
diff --git a/app/views/dashboard/_projects_head.html.haml b/app/views/dashboard/_projects_head.html.haml
index d46998ec1e9..4bc761b3738 100644
--- a/app/views/dashboard/_projects_head.html.haml
+++ b/app/views/dashboard/_projects_head.html.haml
@@ -14,7 +14,7 @@
 
   .nav-controls
     = form_tag request.original_url, method: :get, class: 'project-filter-form', id: 'project-filter-form' do |f|
-      = search_field_tag :filter_projects, params[:filter_projects], placeholder: 'Filter by name...', class: 'project-filter-form-field form-control input-short', spellcheck: false, id: 'project-filter-form-field'
+      = search_field_tag :filter_projects, params[:filter_projects], placeholder: 'Filter by name...', class: 'project-filter-form-field form-control input-short projects-list-filter', spellcheck: false, id: 'project-filter-form-field'
     = render 'explore/projects/dropdown'
     - if current_user.can_create_project?
       = link_to new_project_path, class: 'btn btn-new' do
diff --git a/app/views/explore/projects/_filter.html.haml b/app/views/explore/projects/_filter.html.haml
index 66a4b535ae5..c248dbb695f 100644
--- a/app/views/explore/projects/_filter.html.haml
+++ b/app/views/explore/projects/_filter.html.haml
@@ -1,11 +1,3 @@
-.pull-left
-  = form_tag explore_projects_filter_path, method: :get, class: 'form-inline form-tiny' do |f|
-    .form-group
-      = search_field_tag :search, params[:search], placeholder: "Filter by name", class: "form-control search-text-input", id: "projects_search", spellcheck: false
-      = hidden_field_tag :sort, @sort
-    .form-group
-      = button_tag 'Search', class: "btn"
-
 .pull-right.hidden-sm.hidden-xs
   - if current_user
     .dropdown.inline.append-right-10
diff --git a/app/views/explore/projects/_projects.html.haml b/app/views/explore/projects/_projects.html.haml
index 669079e9521..999a933390b 100644
--- a/app/views/explore/projects/_projects.html.haml
+++ b/app/views/explore/projects/_projects.html.haml
@@ -1,5 +1,5 @@
 - if projects.any?
-  .public-projects
+  .projects-list-holder
     = render 'shared/projects/list', projects: projects
 - else
   .nothing-here-block
diff --git a/app/views/groups/_projects.html.haml b/app/views/groups/_projects.html.haml
index a829479bb38..9c16ab7e30f 100644
--- a/app/views/groups/_projects.html.haml
+++ b/app/views/groups/_projects.html.haml
@@ -1,10 +1,11 @@
-.projects-list-holder.prepend-top-default
-  .input-group
-    = search_field_tag :filter_projects, nil, placeholder: 'Filter by name', class: 'projects-list-filter form-control', spellcheck: false
-    - if can? current_user, :create_projects, @group
-      %span.input-group-btn
-        = link_to new_project_path(namespace_id: @group.id), class: 'btn btn-new' do
-          = icon('plus')
-          New Project
+.top-area
+  .nav-controls
+    = form_tag request.original_url, method: :get, class: 'project-filter-form', id: 'project-filter-form' do |f|
+      = search_field_tag :filter_projects, params[:filter_projects], placeholder: 'Filter by name...', class: 'input-short project-filter-form-field form-control projects-list-filter', spellcheck: false, id: 'project-filter-form-field'
+    - if current_user && current_user.can_create_project?
+      = link_to new_project_path, class: 'btn btn-new' do
+        = icon('plus')
+        New Project
 
+.projects-list-holder
   = render 'shared/projects/list', projects: @projects, projects_limit: 20, stars: false, skip_namespace: true
diff --git a/app/views/groups/show.html.haml b/app/views/groups/show.html.haml
index ebb3df7dca3..a0ba11b11a1 100644
--- a/app/views/groups/show.html.haml
+++ b/app/views/groups/show.html.haml
@@ -47,7 +47,7 @@
 
             = render 'shared/event_filter'
 
-        .content_list
+        .content_list{data: {href: events_group_path}}
         = spinner
 
       .tab-pane#projects
diff --git a/app/views/notify/_note_message.html.haml b/app/views/notify/_note_message.html.haml
index 00cb4aa24cc..12ded41fbf2 100644
--- a/app/views/notify/_note_message.html.haml
+++ b/app/views/notify/_note_message.html.haml
@@ -1,2 +1,5 @@
+- if current_application_settings.email_author_in_body
+  %div
+    #{link_to @note.author_name, user_url(@note.author)} wrote:
 %div
   = markdown(@note.note, pipeline: :email)
diff --git a/app/views/notify/build_fail_email.html.haml b/app/views/notify/build_fail_email.html.haml
index f4e9749e5c7..81d65037312 100644
--- a/app/views/notify/build_fail_email.html.haml
+++ b/app/views/notify/build_fail_email.html.haml
@@ -1,9 +1,10 @@
 - content_for :header do
   %h1{style: "background: #c40834; color: #FFF; font: normal 20px Helvetica, Arial, sans-serif; margin: 0; padding: 5px 10px; line-height: 32px; font-size: 16px;"}
     GitLab (build failed)
+
 %h3
   Project:
-  = link_to ci_project_url(@project) do
+  = link_to namespace_project_url(@project.namespace, @project) do
     = @project.name
 
 %p
diff --git a/app/views/notify/build_success_email.html.haml b/app/views/notify/build_success_email.html.haml
index 8b004d34cca..5d247eb4cf2 100644
--- a/app/views/notify/build_success_email.html.haml
+++ b/app/views/notify/build_success_email.html.haml
@@ -4,7 +4,7 @@
 
 %h3
   Project:
-  = link_to ci_project_url(@project) do
+  = link_to namespace_project_url(@project.namespace, @project) do
     = @project.name
 
 %p
diff --git a/app/views/notify/new_issue_email.html.haml b/app/views/notify/new_issue_email.html.haml
index d3b799fca23..ad3ab2525bb 100644
--- a/app/views/notify/new_issue_email.html.haml
+++ b/app/views/notify/new_issue_email.html.haml
@@ -1,3 +1,6 @@
+- if current_application_settings.email_author_in_body
+  %div
+    #{link_to @issue.author_name, user_url(@issue.author)} wrote:
 -if @issue.description
   = markdown(@issue.description, pipeline: :email)
 
diff --git a/app/views/notify/new_merge_request_email.html.haml b/app/views/notify/new_merge_request_email.html.haml
index 90ebdfc3fe2..23423e7d981 100644
--- a/app/views/notify/new_merge_request_email.html.haml
+++ b/app/views/notify/new_merge_request_email.html.haml
@@ -1,3 +1,6 @@
+- if current_application_settings.email_author_in_body
+  %div
+    #{link_to @merge_request.author_name, user_url(@merge_request.author)} wrote:
 %p.details
   != merge_path_description(@merge_request, '&rarr;')
 
diff --git a/app/views/projects/builds/index.html.haml b/app/views/projects/builds/index.html.haml
index 630d0286f25..5e3bd14565e 100644
--- a/app/views/projects/builds/index.html.haml
+++ b/app/views/projects/builds/index.html.haml
@@ -22,7 +22,7 @@
           = number_with_delimiter(@all_builds.finished.count(:id))
 
   .nav-controls
-    - if can?(current_user, :manage_builds, @project)
+    - if can?(current_user, :update_build, @project)
       - if @all_builds.running_or_pending.any?
         = link_to 'Cancel running', cancel_all_namespace_project_builds_path(@project.namespace, @project),
           data: { confirm: 'Are you sure?' }, class: 'btn btn-danger', method: :post
diff --git a/app/views/projects/builds/show.html.haml b/app/views/projects/builds/show.html.haml
index ba1fdc6f0e7..ca1441a20d8 100644
--- a/app/views/projects/builds/show.html.haml
+++ b/app/views/projects/builds/show.html.haml
@@ -89,8 +89,7 @@
             Test coverage
           %h1 #{@build.coverage}%
 
-      - if current_user && can?(current_user, :read_build_artifacts, @project) && @build.artifacts?
-
+      - if can?(current_user, :read_build, @project) && @build.artifacts?
         .build-widget.artifacts
           %h4.title Build artifacts
           .center
@@ -102,7 +101,7 @@
       .build-widget
         %h4.title
           Build ##{@build.id}
-          - if current_user && can?(current_user, :manage_builds, @project)
+          - if can?(current_user, :update_build, @project)
             .pull-right
               - if @build.cancel_url
                 = link_to "Cancel", @build.cancel_url, class: 'btn btn-sm btn-danger', method: :post
diff --git a/app/views/projects/commit/_builds.html.haml b/app/views/projects/commit/_builds.html.haml
index 329aaa0bb8b..befad27666c 100644
--- a/app/views/projects/commit/_builds.html.haml
+++ b/app/views/projects/commit/_builds.html.haml
@@ -1,6 +1,6 @@
 .gray-content-block.middle-block
   .pull-right
-    - if can?(current_user, :manage_builds, @ci_commit.project)
+    - if can?(current_user, :update_build, @ci_commit.project)
       - if @ci_commit.builds.latest.failed.any?(&:retryable?)
         = link_to "Retry failed", retry_builds_namespace_project_commit_path(@ci_commit.project.namespace, @ci_commit.project, @ci_commit.sha), class: 'btn btn-grouped btn-primary', method: :post
 
diff --git a/app/views/projects/commit_statuses/_commit_status.html.haml b/app/views/projects/commit_statuses/_commit_status.html.haml
index 2e3c956ddc4..a3449d1ae05 100644
--- a/app/views/projects/commit_statuses/_commit_status.html.haml
+++ b/app/views/projects/commit_statuses/_commit_status.html.haml
@@ -1,6 +1,6 @@
 %tr.commit_status
   %td.status
-    - if commit_status.target_url
+    - if can?(current_user, :read_commit_status, commit_status) && commit_status.target_url
       = link_to commit_status.target_url, class: "ci-status ci-#{commit_status.status}" do
         = ci_icon_for_status(commit_status.status)
         = commit_status.status
@@ -8,14 +8,14 @@
       = ci_status_with_icon(commit_status.status)
 
   %td.commit_status-link
-    - if commit_status.target_url
+    - if can?(current_user, :read_commit_status, commit_status) && commit_status.target_url
       = link_to commit_status.target_url do
         %strong ##{commit_status.id}
     - else
       %strong ##{commit_status.id}
 
     - if commit_status.show_warning?
-      %i.fa.fa-warning.text-warning
+      %i.fa.fa-warning.text-warning{data: { toggle: "tooltip" }, title: "This build is stuck, open it to know more"}
 
   - if defined?(commit_sha) && commit_sha
     %td
@@ -66,10 +66,10 @@
 
   %td
     .pull-right
-      - if current_user && can?(current_user, :read_build_artifacts, commit_status.project) && commit_status.artifacts_download_url
+      - if can?(current_user, :read_commit_status, commit_status) && commit_status.artifacts_download_url
         = link_to commit_status.artifacts_download_url, title: 'Download artifacts' do
           %i.fa.fa-download
-      - if current_user && can?(current_user, :manage_builds, commit_status.project)
+      - if can?(current_user, :update_commit_status, commit_status)
         - if commit_status.active?
           - if commit_status.cancel_url
             = link_to commit_status.cancel_url, method: :post, title: 'Cancel' do
diff --git a/app/views/projects/commits/show.html.haml b/app/views/projects/commits/show.html.haml
index ede64d47ab3..c52cf25d40a 100644
--- a/app/views/projects/commits/show.html.haml
+++ b/app/views/projects/commits/show.html.haml
@@ -11,7 +11,10 @@
     = render 'shared/ref_switcher', destination: 'commits'
 
   .block-controls.hidden-xs.hidden-sm
-    - if create_mr_button?(@repository.root_ref, @ref)
+    - if @merge_request.present?
+      .control
+        = link_to "View Open Merge Request", namespace_project_merge_request_path(@project.namespace, @project, @merge_request), class: 'btn'
+    - elsif create_mr_button?(@repository.root_ref, @ref)
       .control
         = link_to create_mr_path(@repository.root_ref, @ref), class: 'btn btn-success' do
           = icon('plus')
diff --git a/app/views/projects/compare/_form.html.haml b/app/views/projects/compare/_form.html.haml
index efc25eda26b..4ab81f3635c 100644
--- a/app/views/projects/compare/_form.html.haml
+++ b/app/views/projects/compare/_form.html.haml
@@ -13,12 +13,13 @@
         = text_field_tag :to, params[:to], class: "form-control", required: true
     &nbsp;
     = button_tag "Compare", class: "btn btn-create commits-compare-btn"
-    - if create_mr_button?
+    - if @merge_request.present?
+      = link_to "View Open Merge Request", namespace_project_merge_request_path(@project.namespace, @project, @merge_request), class: 'prepend-left-10 btn'
+    - elsif create_mr_button?
       = link_to create_mr_path, class: 'prepend-left-10 btn' do
         = icon("plus")
         Create Merge Request
 
-
 :javascript
   var availableTags = #{@project.repository.ref_names.to_json};
 
diff --git a/app/views/projects/diffs/_image.html.haml b/app/views/projects/diffs/_image.html.haml
index 058b71b21f5..4fcf7ea0b26 100644
--- a/app/views/projects/diffs/_image.html.haml
+++ b/app/views/projects/diffs/_image.html.haml
@@ -1,4 +1,5 @@
 - diff = diff_file.diff
+- file.load_all_data!(@project.repository)
 - if diff.renamed_file || diff.new_file || diff.deleted_file
   .image
     %span.wrap
@@ -6,6 +7,7 @@
         %img{src: "data:#{file.mime_type};base64,#{Base64.encode64(file.data)}"}
       %p.image-info= "#{number_to_human_size file.size}"
 - else
+  - old_file.load_all_data!(@project.repository)
   .image
     %div.two-up.view
       %span.wrap
diff --git a/app/views/projects/edit.html.haml b/app/views/projects/edit.html.haml
index 8a99aceef7f..fdcb6987471 100644
--- a/app/views/projects/edit.html.haml
+++ b/app/views/projects/edit.html.haml
@@ -130,6 +130,7 @@
                     %strong git fetch
                     %br
                     %span.descr Faster
+
             .form-group
               = f.label :build_timeout_in_minutes, 'Timeout', class: 'control-label'
               .col-sm-10
@@ -158,6 +159,13 @@
                       phpunit --coverage-text --colors=never (PHP) -
                       %code ^\s*Lines:\s*\d+.\d+\%
 
+              .form-group
+                .col-sm-offset-2.col-sm-10
+                  .checkbox
+                    = f.label :public_builds do
+                      = f.check_box :public_builds
+                      %strong Public builds
+                    .help-block Allow everyone to access builds for Public and Internal projects
 
           %fieldset.features
             %legend
diff --git a/app/views/projects/forks/index.html.haml b/app/views/projects/forks/index.html.haml
index acb2353d3ca..42fa6fdb782 100644
--- a/app/views/projects/forks/index.html.haml
+++ b/app/views/projects/forks/index.html.haml
@@ -6,7 +6,7 @@
     == #{pluralize(@all_forks.size, 'fork')}: #{full_count_title}
 
   .nav-controls
-    = search_field_tag :filter_projects, nil, placeholder: 'Search forks', class: 'projects-list-filter form-control input-short',
+    = search_field_tag :filter_projects, nil, placeholder: 'Search forks', class: 'projects-list-filter project-filter-form-field form-control input-short',
       spellcheck: false, data: { 'filter-selector' => 'span.namespace-name' }
 
     .dropdown
@@ -29,14 +29,15 @@
           = link_to page_filter_path(sort: sort_value_oldest_updated, without: excluded_filters) do
             = sort_title_oldest_updated
 
-    - if current_user.already_forked?(@project) && current_user.manageable_namespaces.size < 2
-      = link_to namespace_project_path(current_user, current_user.fork_of(@project)), title: 'Go to your fork', class: 'btn btn-new' do
-        = icon('code-fork fw')
-        Fork
-    - else
-      = link_to new_namespace_project_fork_path(@project.namespace, @project), title: "Fork project", class: 'btn btn-new' do
-        = icon('code-fork fw')
-        Fork
+    - if current_user && can?(current_user, :fork_project, @project)
+      - if current_user.already_forked?(@project) && current_user.manageable_namespaces.size < 2
+        = link_to namespace_project_path(current_user, current_user.fork_of(@project)), title: 'Go to your fork', class: 'btn btn-new' do
+          = icon('code-fork fw')
+          Fork
+      - else
+        = link_to new_namespace_project_fork_path(@project.namespace, @project), title: "Fork project", class: 'btn btn-new' do
+          = icon('code-fork fw')
+          Fork
 
 
 .projects-list-holder
diff --git a/app/views/projects/issues/show.html.haml b/app/views/projects/issues/show.html.haml
index 121c775560f..fe977fd700c 100644
--- a/app/views/projects/issues/show.html.haml
+++ b/app/views/projects/issues/show.html.haml
@@ -46,8 +46,8 @@
           Edited
           = time_ago_with_tooltip(@issue.updated_at, placement: 'bottom', html_class: 'issue_edited_ago')
 
-        .merge-requests
-          = render 'merge_requests'
+      .merge-requests
+        = render 'merge_requests'
 
     .content-block
       = render 'votes/votes_block', votable: @issue
@@ -57,4 +57,4 @@
         .issuable-discussion
           = render 'projects/issues/discussion'
 
-= render 'shared/issuable/sidebar', issuable: @issue
\ No newline at end of file
+= render 'shared/issuable/sidebar', issuable: @issue
diff --git a/app/views/projects/tree/_readme.html.haml b/app/views/projects/tree/_readme.html.haml
index 3c5edf4b033..baaa2caa6de 100644
--- a/app/views/projects/tree/_readme.html.haml
+++ b/app/views/projects/tree/_readme.html.haml
@@ -1,7 +1,7 @@
 %article.file-holder.readme-holder
   .file-title
     = blob_icon readme.mode, readme.name
-    = link_to namespace_project_blob_path(@project.namespace, @project, tree_join(@repository.root_ref, readme.name)) do
+    = link_to namespace_project_blob_path(@project.namespace, @project, tree_join(@repository.root_ref, @path, readme.name)) do
       %strong
         = readme.name
   .file-content.wiki
diff --git a/app/views/projects/variables/show.html.haml b/app/views/projects/variables/show.html.haml
index e80dffc1ced..efe1e6f24c2 100644
--- a/app/views/projects/variables/show.html.haml
+++ b/app/views/projects/variables/show.html.haml
@@ -3,9 +3,11 @@
   Secret Variables
 
 %p.light
-  These variables will be set to environment by the runner and will be hidden in the build log.
+  These variables will be set to environment by the runner.
   %br
   So you can use them for passwords, secret keys or whatever you want.
+  %br
+  The value of the variable can be visible in build log if explicitly asked to do so.
 
 %hr
 
diff --git a/app/views/search/results/_snippet_blob.html.haml b/app/views/search/results/_snippet_blob.html.haml
index dcd61199717..6b77d24f50c 100644
--- a/app/views/search/results/_snippet_blob.html.haml
+++ b/app/views/search/results/_snippet_blob.html.haml
@@ -1,46 +1,50 @@
+- snippet_blob = chunk_snippet(snippet_blob, @search_term)
+- snippet = snippet_blob[:snippet_object]
+- snippet_chunks = snippet_blob[:snippet_chunks]
+
 .search-result-row
   %span
-    = snippet_blob[:snippet_object].title
+    = snippet.title
     by
-    = link_to user_snippets_path(snippet_blob[:snippet_object].author) do
-      = image_tag avatar_icon(snippet_blob[:snippet_object].author_email), class: "avatar avatar-inline s16", alt: ''
-      = snippet_blob[:snippet_object].author_name
-    %span.light #{time_ago_with_tooltip(snippet_blob[:snippet_object].created_at)}
+    = link_to user_snippets_path(snippet.author) do
+      = image_tag avatar_icon(snippet.author_email), class: "avatar avatar-inline s16", alt: ''
+      = snippet.author_name
+    %span.light #{time_ago_with_tooltip(snippet.created_at)}
   %h4.snippet-title
-  - snippet_path = reliable_snippet_path(snippet_blob[:snippet_object])
+  - snippet_path = reliable_snippet_path(snippet)
   = link_to snippet_path do
     .file-holder
       .file-title
         %i.fa.fa-file
-        %strong= snippet_blob[:snippet_object].file_name
-      - if markup?(snippet_blob[:snippet_object].file_name)
+        %strong= snippet.file_name
+      - if markup?(snippet.file_name)
         .file-content.wiki
-          - snippet_blob[:snippet_chunks].each do |snippet|
-            - unless snippet[:data].empty?
-              = render_markup(snippet_blob[:snippet_object].file_name, snippet[:data])
+          - snippet_chunks.each do |chunk|
+            - unless chunk[:data].empty?
+              = render_markup(snippet.file_name, chunk[:data])
             - else
               .file-content.code
                 .nothing-here-block Empty file
       - else
         .file-content.code.js-syntax-highlight
           .line-numbers
-            - snippet_blob[:snippet_chunks].each do |snippet|
-              - unless snippet[:data].empty?
-                - snippet[:data].lines.to_a.size.times do |index|
-                  - offset = defined?(snippet[:start_line]) ? snippet[:start_line] : 1
+            - snippet_chunks.each do |chunk|
+              - unless chunk[:data].empty?
+                - chunk[:data].lines.to_a.size.times do |index|
+                  - offset = defined?(chunk[:start_line]) ? chunk[:start_line] : 1
                   - i = index + offset
                   = link_to snippet_path+"#L#{i}", id: "L#{i}", rel: "#L#{i}", class: "diff-line-num" do
                     %i.fa.fa-link
                     = i
-                - unless snippet == snippet_blob[:snippet_chunks].last
+                - unless snippet == snippet_chunks.last
                   %a.diff-line-num
                     = "."
           %pre.code
             %code
-              - snippet_blob[:snippet_chunks].each do |snippet|
-                - unless snippet[:data].empty?
-                  = snippet[:data]
-                  - unless snippet == snippet_blob[:snippet_chunks].last
+              - snippet_chunks.each do |chunk|
+                - unless chunk[:data].empty?
+                  = chunk[:data]
+                  - unless chunk == snippet_chunks.last
                     %a
                       = "..."
                 - else
diff --git a/app/views/shared/_import_form.html.haml b/app/views/shared/_import_form.html.haml
index 285af56ad73..627814bcfae 100644
--- a/app/views/shared/_import_form.html.haml
+++ b/app/views/shared/_import_form.html.haml
@@ -11,6 +11,6 @@
         %li
           If your HTTP repository is not publicly accessible, add authentication information to the URL: <code>https://username:password@gitlab.company.com/group/project.git</code>.
         %li
-          The import will time out after 4 minutes. For big repositories, use a clone/push combination.
+          The import will time out after 15 minutes. For repositories that take longer, use a clone/push combination.
         %li
           To migrate an SVN repository, check out #{link_to "this document", "http://doc.gitlab.com/ce/workflow/importing/migrating_from_svn.html"}.
diff --git a/app/views/shared/_logo.svg b/app/views/shared/_logo.svg
index 3d279ec228c..b07f1c5603e 100644
--- a/app/views/shared/_logo.svg
+++ b/app/views/shared/_logo.svg
@@ -1,21 +1,9 @@
-<svg width="36px" height="36px" viewBox="0 0 210 210" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" id="tanuki-logo">
-    <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage">
-        <g id="logo" sketch:type="MSLayerGroup" transform="translate(0.000000, 10.000000)">
-            <g id="Page-1" sketch:type="MSShapeGroup">
-                <g id="Fill-1-+-Group-24">
-                    <g id="Group-24">
-                        <g id="Group">
-                            <path id="tanuki-right-ear"   d="M12.2685,74.7342 L66.4215,74.7342 L43.1485,3.1092 C41.9515,-0.5768 36.7375,-0.5758 35.5405,3.1092 L12.2685,74.7342 L12.2685,74.7342 Z" fill="#E24329" class="tanuki-shape"></path>
-                            <path id="tanuki-right-cheek" d="M12.2685,74.7341 L12.2685,74.7341 L0.5265,110.8731 C-0.5445,114.1691 0.6285,117.7801 3.4325,119.8171 L105.0615,193.6551 L12.2685,74.7341 L12.2685,74.7341 Z" fill="#FCA326" class="tanuki-shape"></path>
-                            <path id="tanuki-right-eye"   d="M105.0614,193.6548 L66.4214,74.7338 L12.2684,74.7338 L105.0614,193.6548 L105.0614,193.6548 Z" fill="#FC6D26" class="tanuki-shape"></path>
-                            <path id="tanuki-nose"        d="M105.0614,193.655 L105.0614,193.655 L143.7014,74.734 L66.4214,74.734 L105.0614,193.655 L105.0614,193.655 Z" fill="#E24329" class="tanuki-shape"></path>
-                            <path id="tanuki-left-eye"    d="M105.0614,193.6548 L143.7014,74.7338 L197.8544,74.7338 L105.0614,193.6548 L105.0614,193.6548 Z" fill="#FC6D26" class="tanuki-shape"></path>
-                            <path id="tanuki-left-cheek"  d="M197.8544,74.7341 L197.8544,74.7341 L209.5964,110.8731 C210.6674,114.1691 209.4944,117.7801 206.6904,119.8171 L105.0614,193.6551 L197.8544,74.7341 L197.8544,74.7341 Z" fill="#FCA326" class="tanuki-shape"></path>
-                            <path id="tanuki-left-ear"    d="M197.8544,74.7342 L143.7014,74.7342 L166.9744,3.1092 C168.1714,-0.5768 173.3854,-0.5758 174.5824,3.1092 L197.8544,74.7342 L197.8544,74.7342 Z" fill="#E24329" class="tanuki-shape"></path>
-                        </g>
-                    </g>
-                </g>
-            </g>
-        </g>
-    </g>
+<svg width="36" height="36" id="tanuki-logo">
+  <path id="tanuki-right-ear" class="tanuki-shape" fill="#e24329" d="M2 14l9.38 9v-9l-4-12.28c-.205-.632-1.176-.632-1.38 0z"/>
+  <path id="tanuki-left-ear" class="tanuki-shape" fill="#e24329" d="M34 14l-9.38 9v-9l4-12.28c.205-.632 1.176-.632 1.38 0z"/>
+  <path id="tanuki-nose" class="tanuki-shape" fill="#e24329" d="M18,34.38 3,14 33,14 Z"/>
+  <path id="tanuki-right-eye" class="tanuki-shape" fill="#fc6d26" d="M18,34.38 11.38,14 2,14 6,25Z"/>
+  <path id="tanuki-left-eye" class="tanuki-shape" fill="#fc6d26" d="M18,34.38 24.62,14 34,14 30,25Z"/>
+  <path id="tanuki-right-cheek" class="tanuki-shape" fill="#fca326" d="M2 14L.1 20.16c-.18.565 0 1.2.5 1.56l17.42 12.66z"/>
+  <path id="tanuki-left-cheek" class="tanuki-shape" fill="#fca326" d="M34 14l1.9 6.16c.18.565 0 1.2-.5 1.56L18 34.38z"/>
 </svg>
diff --git a/app/views/shared/issuable/_sidebar.html.haml b/app/views/shared/issuable/_sidebar.html.haml
index ae96a45453f..2aada5c9952 100644
--- a/app/views/shared/issuable/_sidebar.html.haml
+++ b/app/views/shared/issuable/_sidebar.html.haml
@@ -4,21 +4,18 @@
       %span.issuable-count.pull-left
         = issuable.iid
         of
-        = issuable_count(:all, @project)
+        = issuables_count(issuable)
       %span.pull-right
         %a.gutter-toggle{href: '#'}
-          - if sidebar_gutter_collapsed?
-            = icon('angle-double-left')
-          - else
-            = icon('angle-double-right')
+          = sidebar_gutter_toggle_icon
       .issuable-nav.pull-right.btn-group{role: 'group', "aria-label" => '...'}
-        - if has_prev_issuable?(@project, issuable.id)
-          = link_to 'Prev', issuable_link_prev(@project, issuable), class: 'btn btn-default prev-btn'
+        - if prev_issuable = prev_issuable_for(issuable)
+          = link_to 'Prev', [@project.namespace.becomes(Namespace), @project, prev_issuable], class: 'btn btn-default prev-btn'
         - else
           %a.btn.btn-default.disabled{href: '#'}
             Prev
-        - if has_next_issuable?(@project, issuable.id)
-          = link_to 'Next', issuable_link_next(@project, issuable), class: 'btn btn-default next-btn'
+        - if next_issuable = next_issuable_for(issuable)
+          = link_to 'Next', [@project.namespace.becomes(Namespace), @project, next_issuable], class: 'btn btn-default next-btn'
         - else
           %a.btn.btn-default.disabled{href: '#'}
             Next
@@ -118,7 +115,7 @@
       - project_ref = cross_project_reference(@project, issuable)
       .block.project-reference
         .sidebar-collapsed-icon
-          = icon('clipboard')
+          = clipboard_button(clipboard_text: project_ref)
         .title
         .cross-project-reference
           %span
diff --git a/app/views/shared/projects/_list.html.haml b/app/views/shared/projects/_list.html.haml
index 67edb264b7e..75684b972f1 100644
--- a/app/views/shared/projects/_list.html.haml
+++ b/app/views/shared/projects/_list.html.haml
@@ -21,9 +21,10 @@
           #{projects_limit} of #{pluralize(projects.count, 'project')} displayed.
           = link_to '#', class: 'js-expand' do
             Show all
-    = paginate projects, theme: "gitlab" if !projects.kind_of?(Array)
+    = paginate projects, theme: "gitlab" if projects.respond_to? :total_pages
   - else
     %h3 No projects found
 
 :javascript
   new ProjectsList();
+  Dashboard.init();