Merge branch 'create-merge-request' into 'master'

Add Create Merge Request buttons to commits page and push event.

Commits page:

![Screen_Shot_2015-05-09_at_22.27.09](https://gitlab.com/gitlab-org/gitlab-ce/uploads/f77c2e47f768b2fc132de6e3a2a0323e/Screen_Shot_2015-05-09_at_22.27.09.png)

Branches page:

![Screen_Shot_2015-05-09_at_22.55.24](https://gitlab.com/gitlab-org/gitlab-ce/uploads/b0a6374f5c5d830ef19de9694e603c8f/Screen_Shot_2015-05-09_at_22.55.24.png)

Push event: (Only for new branches, and only shown to the pushing user)

![Screen_Shot_2015-05-09_at_22.27.21](https://gitlab.com/gitlab-org/gitlab-ce/uploads/989c9cb66ee03d09b96809452749d2b8/Screen_Shot_2015-05-09_at_22.27.21.png)

Push event with multiple commits and a Compare link:

![Screen_Shot_2015-05-09_at_22.28.01](https://gitlab.com/gitlab-org/gitlab-ce/uploads/a70c718e559f69177f9341c0af92707c/Screen_Shot_2015-05-09_at_22.28.01.png)

See merge request !632

1 files changed, 2 insertions, 1 deletions

diff --git a/app/controllers/projects/compare_controller.rb b/app/controllers/projects/compare_controller.rb
index 7c20b81c0b1..c5f085c236f 100644
--- a/app/controllers/projects/compare_controller.rb
+++ b/app/controllers/projects/compare_controller.rb
@@ -6,11 +6,12 @@ class Projects::CompareController < Projects::ApplicationController
   before_action :authorize_download_code!
 
   def index
+    @ref = Addressable::URI.unescape(params[:to])
   end
 
   def show
     base_ref = Addressable::URI.unescape(params[:from])
-    head_ref = Addressable::URI.unescape(params[:to])
+    @ref = head_ref = Addressable::URI.unescape(params[:to])
 
     compare_result = CompareService.new.execute(
       current_user,