npm: Upgrade to 1.1.56

104 files changed, 152 insertions, 111 deletions

diff --git a/deps/npm/doc/cli/config.md b/deps/npm/doc/cli/config.md
index feac9b35b5..cdfc61e2d0 100644
--- a/deps/npm/doc/cli/config.md
+++ b/deps/npm/doc/cli/config.md
@@ -550,6 +550,15 @@ The url to report npat test results.
 A node module to `require()` when npm loads.  Useful for programmatic
 usage.
 
+### optional
+
+* Default: true
+* Type: Boolean
+
+Attempt to install packages in the `optionalDependencies` hash.  Note
+that if these packages fail to install, the overall installation
+process is not aborted.
+
 ### parseable
 
 * Default: false
diff --git a/deps/npm/html/api/bin.html b/deps/npm/html/api/bin.html
index 8aa2d9572c..20c31ad82b 100644
--- a/deps/npm/html/api/bin.html
+++ b/deps/npm/html/api/bin.html
@@ -19,7 +19,7 @@
 <p>This function should not be used programmatically.  Instead, just refer
 to the <code>npm.bin</code> member.</p>
 </div>
-<p id="footer">bin &mdash; npm@1.1.55</p>
+<p id="footer">bin &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/bugs.html b/deps/npm/html/api/bugs.html
index 219b8034e3..2e2ca11728 100644
--- a/deps/npm/html/api/bugs.html
+++ b/deps/npm/html/api/bugs.html
@@ -25,7 +25,7 @@ optional version number.</p>
 <p>This command will launch a browser, so this command may not be the most
 friendly for programmatic use.</p>
 </div>
-<p id="footer">bugs &mdash; npm@1.1.55</p>
+<p id="footer">bugs &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/commands.html b/deps/npm/html/api/commands.html
index 43af61fb47..49de1adad1 100644
--- a/deps/npm/html/api/commands.html
+++ b/deps/npm/html/api/commands.html
@@ -28,7 +28,7 @@ usage, or <code>man 3 npm-&lt;command&gt;</code> for programmatic usage.</p>
 
 <ul><li><a href="../doc/index.html">index(1)</a></li></ul>
 </div>
-<p id="footer">commands &mdash; npm@1.1.55</p>
+<p id="footer">commands &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/config.html b/deps/npm/html/api/config.html
index b7fe10b48a..1face7af52 100644
--- a/deps/npm/html/api/config.html
+++ b/deps/npm/html/api/config.html
@@ -33,7 +33,7 @@ functions instead.</p>
 
 <ul><li><a href="../api/npm.html">npm(3)</a></li></ul>
 </div>
-<p id="footer">config &mdash; npm@1.1.55</p>
+<p id="footer">config &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/deprecate.html b/deps/npm/html/api/deprecate.html
index 7e72b887ce..915aa49719 100644
--- a/deps/npm/html/api/deprecate.html
+++ b/deps/npm/html/api/deprecate.html
@@ -30,7 +30,7 @@ install the package.</p></li></ul>
 
 <ul><li><a href="../api/publish.html">publish(3)</a></li><li><a href="../api/unpublish.html">unpublish(3)</a></li><li><a href="../doc/registry.html">registry(1)</a></li></ul>
 </div>
-<p id="footer">deprecate &mdash; npm@1.1.55</p>
+<p id="footer">deprecate &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/docs.html b/deps/npm/html/api/docs.html
index f86ed17ba6..4a1b391b0b 100644
--- a/deps/npm/html/api/docs.html
+++ b/deps/npm/html/api/docs.html
@@ -25,7 +25,7 @@ optional version number.</p>
 <p>This command will launch a browser, so this command may not be the most
 friendly for programmatic use.</p>
 </div>
-<p id="footer">docs &mdash; npm@1.1.55</p>
+<p id="footer">docs &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/edit.html b/deps/npm/html/api/edit.html
index a3fc44cbab..e969740afe 100644
--- a/deps/npm/html/api/edit.html
+++ b/deps/npm/html/api/edit.html
@@ -30,7 +30,7 @@ to open. The package can optionally have a version number attached.</p>
 <p>Since this command opens an editor in a new process, be careful about where
 and how this is used.</p>
 </div>
-<p id="footer">edit &mdash; npm@1.1.55</p>
+<p id="footer">edit &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/explore.html b/deps/npm/html/api/explore.html
index cdcef38842..f68a763fa9 100644
--- a/deps/npm/html/api/explore.html
+++ b/deps/npm/html/api/explore.html
@@ -24,7 +24,7 @@ sure to use <code>npm rebuild &lt;pkg&gt;</code> if you make any changes.</p>
 
 <p>The first element in the &#39;args&#39; parameter must be a package name.  After that is the optional command, which can be any number of strings. All of the strings will be combined into one, space-delimited command.</p>
 </div>
-<p id="footer">explore &mdash; npm@1.1.55</p>
+<p id="footer">explore &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/help-search.html b/deps/npm/html/api/help-search.html
index 1bc95b56c7..6c9fb20a9b 100644
--- a/deps/npm/html/api/help-search.html
+++ b/deps/npm/html/api/help-search.html
@@ -32,7 +32,7 @@ Name of the file that matched</li></ul>
 
 <p>The silent parameter is not neccessary not used, but it may in the future.</p>
 </div>
-<p id="footer">help-search &mdash; npm@1.1.55</p>
+<p id="footer">help-search &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/init.html b/deps/npm/html/api/init.html
index eaf4cd3501..babc5d4764 100644
--- a/deps/npm/html/api/init.html
+++ b/deps/npm/html/api/init.html
@@ -35,7 +35,7 @@ then go ahead and use this programmatically.</p>
 
 <p><a href="../doc/json.html">json(1)</a></p>
 </div>
-<p id="footer">init &mdash; npm@1.1.55</p>
+<p id="footer">init &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/install.html b/deps/npm/html/api/install.html
index 48af7a17df..bf65f89764 100644
--- a/deps/npm/html/api/install.html
+++ b/deps/npm/html/api/install.html
@@ -25,7 +25,7 @@ the name of a package to be installed.</p>
 <p>Finally, &#39;callback&#39; is a function that will be called when all packages have been
 installed or when an error has been encountered.</p>
 </div>
-<p id="footer">install &mdash; npm@1.1.55</p>
+<p id="footer">install &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/link.html b/deps/npm/html/api/link.html
index 440491a4f9..682adc8a0a 100644
--- a/deps/npm/html/api/link.html
+++ b/deps/npm/html/api/link.html
@@ -39,7 +39,7 @@ npm.commands.link(&#39;redis&#39;, cb)  # link-install the package</code></pre>
 <p>Now, any changes to the redis package will be reflected in
 the package in the current working directory</p>
 </div>
-<p id="footer">link &mdash; npm@1.1.55</p>
+<p id="footer">link &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/load.html b/deps/npm/html/api/load.html
index ca63551285..b154e991ca 100644
--- a/deps/npm/html/api/load.html
+++ b/deps/npm/html/api/load.html
@@ -32,7 +32,7 @@ config object.</p>
 
 <p>For a list of all the available command-line configs, see <code>npm help config</code></p>
 </div>
-<p id="footer">load &mdash; npm@1.1.55</p>
+<p id="footer">load &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/ls.html b/deps/npm/html/api/ls.html
index 38fc4e16f7..44eae96f42 100644
--- a/deps/npm/html/api/ls.html
+++ b/deps/npm/html/api/ls.html
@@ -59,7 +59,7 @@ project.</p>
 This means that if a submodule a same dependency as a parent module, then the
 dependency will only be output once.</p>
 </div>
-<p id="footer">ls &mdash; npm@1.1.55</p>
+<p id="footer">ls &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/npm.html b/deps/npm/html/api/npm.html
index 57e29b601f..02b25bece8 100644
--- a/deps/npm/html/api/npm.html
+++ b/deps/npm/html/api/npm.html
@@ -24,7 +24,7 @@ npm.load(configObject, function (er, npm) {
 
 <h2 id="VERSION">VERSION</h2>
 
-<p>1.1.55</p>
+<p>1.1.56</p>
 
 <h2 id="DESCRIPTION">DESCRIPTION</h2>
 
@@ -91,7 +91,7 @@ method names.  Use the <code>npm.deref</code> method to find the real name.</p>
 
 <pre><code>var cmd = npm.deref(&quot;unp&quot;) // cmd === &quot;unpublish&quot;</code></pre>
 </div>
-<p id="footer">npm &mdash; npm@1.1.55</p>
+<p id="footer">npm &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/outdated.html b/deps/npm/html/api/outdated.html
index 8e17b40824..7fa284f25e 100644
--- a/deps/npm/html/api/outdated.html
+++ b/deps/npm/html/api/outdated.html
@@ -19,7 +19,7 @@ currently outdated.</p>
 
 <p>If the &#39;packages&#39; parameter is left out, npm will check all packages.</p>
 </div>
-<p id="footer">outdated &mdash; npm@1.1.55</p>
+<p id="footer">outdated &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/owner.html b/deps/npm/html/api/owner.html
index 1a1b366cd2..45a5c3c6bb 100644
--- a/deps/npm/html/api/owner.html
+++ b/deps/npm/html/api/owner.html
@@ -34,7 +34,7 @@ that is not implemented at this time.</p>
 
 <ul><li><a href="../api/publish.html">publish(3)</a></li><li><a href="../doc/registry.html">registry(1)</a></li></ul>
 </div>
-<p id="footer">owner &mdash; npm@1.1.55</p>
+<p id="footer">owner &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/pack.html b/deps/npm/html/api/pack.html
index bdc713f210..2f5cac2243 100644
--- a/deps/npm/html/api/pack.html
+++ b/deps/npm/html/api/pack.html
@@ -25,7 +25,7 @@ overwritten the second time.</p>
 
 <p>If no arguments are supplied, then npm packs the current package folder.</p>
 </div>
-<p id="footer">pack &mdash; npm@1.1.55</p>
+<p id="footer">pack &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/prefix.html b/deps/npm/html/api/prefix.html
index a9324dc421..8d20f212e1 100644
--- a/deps/npm/html/api/prefix.html
+++ b/deps/npm/html/api/prefix.html
@@ -21,7 +21,7 @@
 
 <p>This function is not useful programmatically</p>
 </div>
-<p id="footer">prefix &mdash; npm@1.1.55</p>
+<p id="footer">prefix &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/prune.html b/deps/npm/html/api/prune.html
index a81dd49971..5d5a108dfc 100644
--- a/deps/npm/html/api/prune.html
+++ b/deps/npm/html/api/prune.html
@@ -23,7 +23,7 @@
 <p>Extraneous packages are packages that are not listed on the parent
 package&#39;s dependencies list.</p>
 </div>
-<p id="footer">prune &mdash; npm@1.1.55</p>
+<p id="footer">prune &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/publish.html b/deps/npm/html/api/publish.html
index 6df771b9cb..350681c093 100644
--- a/deps/npm/html/api/publish.html
+++ b/deps/npm/html/api/publish.html
@@ -32,7 +32,7 @@ the registry.  Overwrites when the &quot;force&quot; environment variable is set
 
 <ul><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/adduser.html">adduser(1)</a></li><li><a href="../api/owner.html">owner(3)</a></li></ul>
 </div>
-<p id="footer">publish &mdash; npm@1.1.55</p>
+<p id="footer">publish &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/rebuild.html b/deps/npm/html/api/rebuild.html
index 664afdce09..e7763c05c7 100644
--- a/deps/npm/html/api/rebuild.html
+++ b/deps/npm/html/api/rebuild.html
@@ -22,7 +22,7 @@ the new binary. If no &#39;packages&#39; parameter is specify, every package wil
 
 <p>See <code>npm help build</code></p>
 </div>
-<p id="footer">rebuild &mdash; npm@1.1.55</p>
+<p id="footer">rebuild &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/restart.html b/deps/npm/html/api/restart.html
index 3222a4512a..4aba72fc13 100644
--- a/deps/npm/html/api/restart.html
+++ b/deps/npm/html/api/restart.html
@@ -27,7 +27,7 @@ in the <code>packages</code> parameter.</p>
 
 <ul><li><a href="../api/start.html">start(3)</a></li><li><a href="../api/stop.html">stop(3)</a></li></ul>
 </div>
-<p id="footer">restart &mdash; npm@1.1.55</p>
+<p id="footer">restart &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/root.html b/deps/npm/html/api/root.html
index fe58151dc1..40dfe7dae3 100644
--- a/deps/npm/html/api/root.html
+++ b/deps/npm/html/api/root.html
@@ -21,7 +21,7 @@
 
 <p>This function is not useful programmatically.</p>
 </div>
-<p id="footer">root &mdash; npm@1.1.55</p>
+<p id="footer">root &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/run-script.html b/deps/npm/html/api/run-script.html
index f1026bc060..9dd5c047ce 100644
--- a/deps/npm/html/api/run-script.html
+++ b/deps/npm/html/api/run-script.html
@@ -29,7 +29,7 @@ assumed to be the command to run. All other elements are ignored.</p>
 
 <ul><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../api/test.html">test(3)</a></li><li><a href="../api/start.html">start(3)</a></li><li><a href="../api/restart.html">restart(3)</a></li><li><a href="../api/stop.html">stop(3)</a></li></ul>
 </div>
-<p id="footer">run-script &mdash; npm@1.1.55</p>
+<p id="footer">run-script &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/search.html b/deps/npm/html/api/search.html
index 59c1ebae52..35087d970e 100644
--- a/deps/npm/html/api/search.html
+++ b/deps/npm/html/api/search.html
@@ -32,7 +32,7 @@ excluded term (the &quot;searchexclude&quot; config). The search is case insensi
 and doesn&#39;t try to read your mind (it doesn&#39;t do any verb tense matching or the
 like).</p>
 </div>
-<p id="footer">search &mdash; npm@1.1.55</p>
+<p id="footer">search &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/shrinkwrap.html b/deps/npm/html/api/shrinkwrap.html
index 4a010ebc45..6c6347b61e 100644
--- a/deps/npm/html/api/shrinkwrap.html
+++ b/deps/npm/html/api/shrinkwrap.html
@@ -26,7 +26,7 @@ but the shrinkwrap file will still be written.</p>
 <p>Finally, &#39;callback&#39; is a function that will be called when the shrinkwrap has
 been saved.</p>
 </div>
-<p id="footer">shrinkwrap &mdash; npm@1.1.55</p>
+<p id="footer">shrinkwrap &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/start.html b/deps/npm/html/api/start.html
index d8b3837061..2c8333e1b5 100644
--- a/deps/npm/html/api/start.html
+++ b/deps/npm/html/api/start.html
@@ -19,7 +19,7 @@
 <p>npm can run tests on multiple packages. Just specify multiple packages
 in the <code>packages</code> parameter.</p>
 </div>
-<p id="footer">start &mdash; npm@1.1.55</p>
+<p id="footer">start &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/stop.html b/deps/npm/html/api/stop.html
index bad5cc70aa..26c181e452 100644
--- a/deps/npm/html/api/stop.html
+++ b/deps/npm/html/api/stop.html
@@ -19,7 +19,7 @@
 <p>npm can run stop on multiple packages. Just specify multiple packages
 in the <code>packages</code> parameter.</p>
 </div>
-<p id="footer">stop &mdash; npm@1.1.55</p>
+<p id="footer">stop &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/submodule.html b/deps/npm/html/api/submodule.html
index b19872f8ae..b3fea034f9 100644
--- a/deps/npm/html/api/submodule.html
+++ b/deps/npm/html/api/submodule.html
@@ -33,7 +33,7 @@ dependencies into the submodule folder.</p>
 
 <ul><li>npm help json</li><li>git help submodule</li></ul>
 </div>
-<p id="footer">submodule &mdash; npm@1.1.55</p>
+<p id="footer">submodule &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/tag.html b/deps/npm/html/api/tag.html
index 4c7e48b7c2..fc5aad3f34 100644
--- a/deps/npm/html/api/tag.html
+++ b/deps/npm/html/api/tag.html
@@ -29,7 +29,7 @@ parameter is missing or falsey (empty), the default froom the config will be
 used. For more information about how to set this config, check
 <code>man 3 npm-config</code> for programmatic usage or <code>man npm-config</code> for cli usage.</p>
 </div>
-<p id="footer">tag &mdash; npm@1.1.55</p>
+<p id="footer">tag &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/test.html b/deps/npm/html/api/test.html
index 47257521ef..09e1fe8d13 100644
--- a/deps/npm/html/api/test.html
+++ b/deps/npm/html/api/test.html
@@ -22,7 +22,7 @@ true.</p>
 <p>npm can run tests on multiple packages. Just specify multiple packages
 in the <code>packages</code> parameter.</p>
 </div>
-<p id="footer">test &mdash; npm@1.1.55</p>
+<p id="footer">test &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/uninstall.html b/deps/npm/html/api/uninstall.html
index 7ebf4d20af..b2b477593c 100644
--- a/deps/npm/html/api/uninstall.html
+++ b/deps/npm/html/api/uninstall.html
@@ -22,7 +22,7 @@ the name of a package to be uninstalled.</p>
 <p>Finally, &#39;callback&#39; is a function that will be called when all packages have been
 uninstalled or when an error has been encountered.</p>
 </div>
-<p id="footer">uninstall &mdash; npm@1.1.55</p>
+<p id="footer">uninstall &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/unpublish.html b/deps/npm/html/api/unpublish.html
index 071d3bdca0..00cad0159e 100644
--- a/deps/npm/html/api/unpublish.html
+++ b/deps/npm/html/api/unpublish.html
@@ -26,7 +26,7 @@ is what is meant.</p>
 <p>If no version is specified, or if all versions are removed then
 the root package entry is removed from the registry entirely.</p>
 </div>
-<p id="footer">unpublish &mdash; npm@1.1.55</p>
+<p id="footer">unpublish &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/update.html b/deps/npm/html/api/update.html
index 34badda33c..f944de5801 100644
--- a/deps/npm/html/api/update.html
+++ b/deps/npm/html/api/update.html
@@ -18,7 +18,7 @@
 
 <p>The &#39;packages&#39; argument is an array of packages to update. The &#39;callback&#39; parameter will be called when done or when an error occurs.</p>
 </div>
-<p id="footer">update &mdash; npm@1.1.55</p>
+<p id="footer">update &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/version.html b/deps/npm/html/api/version.html
index ba51d91542..826a3a1b2b 100644
--- a/deps/npm/html/api/version.html
+++ b/deps/npm/html/api/version.html
@@ -24,7 +24,7 @@ fail if the repo is not clean.</p>
 parameter. The difference, however, is this function will fail if it does
 not have exactly one element. The only element should be a version number.</p>
 </div>
-<p id="footer">version &mdash; npm@1.1.55</p>
+<p id="footer">version &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/view.html b/deps/npm/html/api/view.html
index 87249b0199..5eeb643fa7 100644
--- a/deps/npm/html/api/view.html
+++ b/deps/npm/html/api/view.html
@@ -99,7 +99,7 @@ the field name.</p>
 
 <p>corresponding to the list of fields selected.</p>
 </div>
-<p id="footer">view &mdash; npm@1.1.55</p>
+<p id="footer">view &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/api/whoami.html b/deps/npm/html/api/whoami.html
index 22ba012499..7be87f6a26 100644
--- a/deps/npm/html/api/whoami.html
+++ b/deps/npm/html/api/whoami.html
@@ -21,7 +21,7 @@
 
 <p>This function is not useful programmatically</p>
 </div>
-<p id="footer">whoami &mdash; npm@1.1.55</p>
+<p id="footer">whoami &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/README.html b/deps/npm/html/doc/README.html
index 48744c98d7..09b0f29dd5 100644
--- a/deps/npm/html/doc/README.html
+++ b/deps/npm/html/doc/README.html
@@ -240,7 +240,7 @@ will no doubt tell you to put the output in a gist or email.</p>
 
 <ul><li><a href="../doc/npm.html">npm(1)</a></li><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/help.html">help(1)</a></li><li><a href="../doc/index.html">index(1)</a></li></ul>
 </div>
-<p id="footer"><a href="../doc/README.html">README</a> &mdash; npm@1.1.55</p>
+<p id="footer"><a href="../doc/README.html">README</a> &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/adduser.html b/deps/npm/html/doc/adduser.html
index f75c5f0c2f..d30b692b55 100644
--- a/deps/npm/html/doc/adduser.html
+++ b/deps/npm/html/doc/adduser.html
@@ -39,7 +39,7 @@ authorize on a new machine.</p>
 
 <ul><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/owner.html">owner(1)</a></li><li><a href="../doc/whoami.html">whoami(1)</a></li></ul>
 </div>
-<p id="footer">adduser &mdash; npm@1.1.55</p>
+<p id="footer">adduser &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/bin.html b/deps/npm/html/doc/bin.html
index e913367141..de82da61ab 100644
--- a/deps/npm/html/doc/bin.html
+++ b/deps/npm/html/doc/bin.html
@@ -20,7 +20,7 @@
 
 <ul><li><a href="../doc/prefix.html">prefix(1)</a></li><li><a href="../doc/root.html">root(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/config.html">config(1)</a></li></ul>
 </div>
-<p id="footer">bin &mdash; npm@1.1.55</p>
+<p id="footer">bin &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/bugs.html b/deps/npm/html/doc/bugs.html
index 337913de3c..5031d9210e 100644
--- a/deps/npm/html/doc/bugs.html
+++ b/deps/npm/html/doc/bugs.html
@@ -36,7 +36,7 @@ config param.</p>
 
 <ul><li><a href="../doc/docs.html">docs(1)</a></li><li><a href="../doc/view.html">view(1)</a></li><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/json.html">json(1)</a></li></ul>
 </div>
-<p id="footer">bugs &mdash; npm@1.1.55</p>
+<p id="footer">bugs &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/build.html b/deps/npm/html/doc/build.html
index 79b481d9b9..79fdd5d10a 100644
--- a/deps/npm/html/doc/build.html
+++ b/deps/npm/html/doc/build.html
@@ -25,7 +25,7 @@ A folder containing a <code>package.json</code> file in its root.</li></ul>
 
 <ul><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/link.html">link(1)</a></li><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../doc/json.html">json(1)</a></li></ul>
 </div>
-<p id="footer">build &mdash; npm@1.1.55</p>
+<p id="footer">build &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/bundle.html b/deps/npm/html/doc/bundle.html
index eb0767e23b..46de0a9a8e 100644
--- a/deps/npm/html/doc/bundle.html
+++ b/deps/npm/html/doc/bundle.html
@@ -20,7 +20,7 @@ install packages into the local space.</p>
 
 <ul><li><a href="../doc/install.html">install(1)</a></li></ul>
 </div>
-<p id="footer">bundle &mdash; npm@1.1.55</p>
+<p id="footer">bundle &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/cache.html b/deps/npm/html/doc/cache.html
index 69225b4f31..02d8e79438 100644
--- a/deps/npm/html/doc/cache.html
+++ b/deps/npm/html/doc/cache.html
@@ -66,7 +66,7 @@ they do not make an HTTP request to the registry.</p>
 
 <ul><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/pack.html">pack(1)</a></li></ul>
 </div>
-<p id="footer">cache &mdash; npm@1.1.55</p>
+<p id="footer">cache &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/changelog.html b/deps/npm/html/doc/changelog.html
index a304351882..62a15620aa 100644
--- a/deps/npm/html/doc/changelog.html
+++ b/deps/npm/html/doc/changelog.html
@@ -65,7 +65,7 @@
 
 <ul><li><a href="../doc/npm.html">npm(1)</a></li><li><a href="../doc/faq.html">faq(1)</a></li></ul>
 </div>
-<p id="footer">changelog &mdash; npm@1.1.55</p>
+<p id="footer">changelog &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/coding-style.html b/deps/npm/html/doc/coding-style.html
index 00d848504a..83a95eef97 100644
--- a/deps/npm/html/doc/coding-style.html
+++ b/deps/npm/html/doc/coding-style.html
@@ -180,7 +180,7 @@ set to anything.&quot;</p>
 
 <ul><li><a href="../doc/developers.html">developers(1)</a></li><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/npm.html">npm(1)</a></li></ul>
 </div>
-<p id="footer">coding-style &mdash; npm@1.1.55</p>
+<p id="footer">coding-style &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/completion.html b/deps/npm/html/doc/completion.html
index 3b06ec7d0e..3256e104c7 100644
--- a/deps/npm/html/doc/completion.html
+++ b/deps/npm/html/doc/completion.html
@@ -33,7 +33,7 @@ completions based on the arguments.</p>
 
 <ul><li><a href="../doc/developers.html">developers(1)</a></li><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/npm.html">npm(1)</a></li></ul>
 </div>
-<p id="footer">completion &mdash; npm@1.1.55</p>
+<p id="footer">completion &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/config.html b/deps/npm/html/doc/config.html
index d7410da18a..d18404c3cb 100644
--- a/deps/npm/html/doc/config.html
+++ b/deps/npm/html/doc/config.html
@@ -484,6 +484,14 @@ colored output if it is a TTY.</p>
 <p>A node module to <code>require()</code> when npm loads.  Useful for programmatic
 usage.</p>
 
+<h3 id="optional">optional</h3>
+
+<ul><li>Default: true</li><li>Type: Boolean</li></ul>
+
+<p>Attempt to install packages in the <code>optionalDependencies</code> hash.  Note
+that if these packages fail to install, the overall installation
+process is not aborted.</p>
+
 <h3 id="parseable">parseable</h3>
 
 <ul><li>Default: false</li><li>Type: Boolean</li></ul>
@@ -748,7 +756,7 @@ then answer &quot;no&quot; to any prompt.</p>
 
 <ul><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/npm.html">npm(1)</a></li></ul>
 </div>
-<p id="footer">config &mdash; npm@1.1.55</p>
+<p id="footer">config &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/dedupe.html b/deps/npm/html/doc/dedupe.html
index f549081e4f..4bc30a94c2 100644
--- a/deps/npm/html/doc/dedupe.html
+++ b/deps/npm/html/doc/dedupe.html
@@ -57,7 +57,7 @@ registry.</p>
 
 <ul><li><a href="../doc/ls.html">ls(1)</a></li><li><a href="../doc/update.html">update(1)</a></li><li><a href="../doc/install.html">install(1)</a></li></ul>
 </div>
-<p id="footer">dedupe &mdash; npm@1.1.55</p>
+<p id="footer">dedupe &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/deprecate.html b/deps/npm/html/doc/deprecate.html
index b21e768a5c..8005e2cd69 100644
--- a/deps/npm/html/doc/deprecate.html
+++ b/deps/npm/html/doc/deprecate.html
@@ -29,7 +29,7 @@ something like this:</p>
 
 <ul><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li></ul>
 </div>
-<p id="footer">deprecate &mdash; npm@1.1.55</p>
+<p id="footer">deprecate &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/developers.html b/deps/npm/html/doc/developers.html
index dfebc19f95..4d3c1f37ce 100644
--- a/deps/npm/html/doc/developers.html
+++ b/deps/npm/html/doc/developers.html
@@ -160,7 +160,7 @@ from a fresh checkout.</p>
 
 <ul><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/npm.html">npm(1)</a></li><li><a href="../doc/init.html">init(1)</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/adduser.html">adduser(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li></ul>
 </div>
-<p id="footer">developers &mdash; npm@1.1.55</p>
+<p id="footer">developers &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/disputes.html b/deps/npm/html/doc/disputes.html
index ffd47c6cdf..d4ee5acc97 100644
--- a/deps/npm/html/doc/disputes.html
+++ b/deps/npm/html/doc/disputes.html
@@ -80,7 +80,7 @@ license statement)</li><li>Illegal content.</li></ol>
 
 <ul><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/owner.html">owner(1)</a></li></ul>
 </div>
-<p id="footer">disputes &mdash; npm@1.1.55</p>
+<p id="footer">disputes &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/docs.html b/deps/npm/html/doc/docs.html
index c02c1bd4ab..8026fff138 100644
--- a/deps/npm/html/doc/docs.html
+++ b/deps/npm/html/doc/docs.html
@@ -37,7 +37,7 @@ config param.</p>
 
 <ul><li><a href="../doc/view.html">view(1)</a></li><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/json.html">json(1)</a></li></ul>
 </div>
-<p id="footer">docs &mdash; npm@1.1.55</p>
+<p id="footer">docs &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/edit.html b/deps/npm/html/doc/edit.html
index 5f2ec47c0f..37690fb45c 100644
--- a/deps/npm/html/doc/edit.html
+++ b/deps/npm/html/doc/edit.html
@@ -37,7 +37,7 @@ or <code>&quot;notepad&quot;</code> on Windows.</li><li>Type: path</li></ul>
 
 <ul><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/explore.html">explore(1)</a></li><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/config.html">config(1)</a></li></ul>
 </div>
-<p id="footer">edit &mdash; npm@1.1.55</p>
+<p id="footer">edit &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/explore.html b/deps/npm/html/doc/explore.html
index 9bac57cf16..601c981c39 100644
--- a/deps/npm/html/doc/explore.html
+++ b/deps/npm/html/doc/explore.html
@@ -40,7 +40,7 @@ Windows</li><li>Type: path</li></ul>
 
 <ul><li><a href="../doc/submodule.html">submodule(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/edit.html">edit(1)</a></li><li><a href="../doc/rebuild.html">rebuild(1)</a></li><li><a href="../doc/build.html">build(1)</a></li><li><a href="../doc/install.html">install(1)</a></li></ul>
 </div>
-<p id="footer">explore &mdash; npm@1.1.55</p>
+<p id="footer">explore &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/faq.html b/deps/npm/html/doc/faq.html
index 9a0063edeb..fa43f4b37c 100644
--- a/deps/npm/html/doc/faq.html
+++ b/deps/npm/html/doc/faq.html
@@ -241,7 +241,7 @@ We&#39;ll have someone kick it or something.</p>
 
 <ul><li><a href="../doc/npm.html">npm(1)</a></li><li><a href="../doc/developers.html">developers(1)</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li></ul>
 </div>
-<p id="footer">faq &mdash; npm@1.1.55</p>
+<p id="footer">faq &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/folders.html b/deps/npm/html/doc/folders.html
index fd929805e3..a1df454dc3 100644
--- a/deps/npm/html/doc/folders.html
+++ b/deps/npm/html/doc/folders.html
@@ -205,7 +205,7 @@ cannot be found elsewhere.  See <code><a href="../doc/json.html">json(1)</a></co
 
 <ul><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/pack.html">pack(1)</a></li><li><a href="../doc/cache.html">cache(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/publish.html">publish(1)</a></li></ul>
 </div>
-<p id="footer">folders &mdash; npm@1.1.55</p>
+<p id="footer">folders &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/help-search.html b/deps/npm/html/doc/help-search.html
index bfd5d3a398..db26a1201e 100644
--- a/deps/npm/html/doc/help-search.html
+++ b/deps/npm/html/doc/help-search.html
@@ -38,7 +38,7 @@ where the terms were found in the documentation.</p>
 
 <ul><li><a href="../doc/npm.html">npm(1)</a></li><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/help.html">help(1)</a></li></ul>
 </div>
-<p id="footer">help-search &mdash; npm@1.1.55</p>
+<p id="footer">help-search &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/help.html b/deps/npm/html/doc/help.html
index dec4a9f1ce..92523cbd66 100644
--- a/deps/npm/html/doc/help.html
+++ b/deps/npm/html/doc/help.html
@@ -36,7 +36,7 @@ matches are equivalent to specifying a topic name.</p>
 
 <ul><li><a href="../doc/npm.html">npm(1)</a></li><li><a href="../doc/README.html">README</a></li><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/help-search.html">help-search(1)</a></li><li><a href="../doc/index.html">index(1)</a></li></ul>
 </div>
-<p id="footer">help &mdash; npm@1.1.55</p>
+<p id="footer">help &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/index.html b/deps/npm/html/doc/index.html
index 2ceb2b6a0a..843500a084 100644
--- a/deps/npm/html/doc/index.html
+++ b/deps/npm/html/doc/index.html
@@ -388,7 +388,7 @@
 
 <p> Display npm username</p>
 </div>
-<p id="footer">index &mdash; npm@1.1.55</p>
+<p id="footer">index &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/init.html b/deps/npm/html/doc/init.html
index 322e63c15f..21ae21afb6 100644
--- a/deps/npm/html/doc/init.html
+++ b/deps/npm/html/doc/init.html
@@ -29,7 +29,7 @@ without a really good reason to do so.</p>
 
 <ul><li><a href="https://github.com/isaacs/init-package-json">https://github.com/isaacs/init-package-json</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/version.html">version(1)</a></li></ul>
 </div>
-<p id="footer">init &mdash; npm@1.1.55</p>
+<p id="footer">init &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/install.html b/deps/npm/html/doc/install.html
index 502e2be469..a2a4f55d5f 100644
--- a/deps/npm/html/doc/install.html
+++ b/deps/npm/html/doc/install.html
@@ -133,7 +133,7 @@ affects a real use-case, it will be investigated.</p>
 
 <ul><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/update.html">update(1)</a></li><li><a href="../doc/link.html">link(1)</a></li><li><a href="../doc/rebuild.html">rebuild(1)</a></li><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../doc/build.html">build(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/tag.html">tag(1)</a></li><li><a href="../doc/rm.html">rm(1)</a></li><li><a href="../doc/shrinkwrap.html">shrinkwrap(1)</a></li></ul>
 </div>
-<p id="footer">install &mdash; npm@1.1.55</p>
+<p id="footer">install &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/json.html b/deps/npm/html/doc/json.html
index f26d01e54b..9e632db416 100644
--- a/deps/npm/html/doc/json.html
+++ b/deps/npm/html/doc/json.html
@@ -525,7 +525,7 @@ overridden.</p>
 
 <ul><li><a href="../doc/semver.html">semver(1)</a></li><li><a href="../doc/init.html">init(1)</a></li><li><a href="../doc/version.html">version(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/help.html">help(1)</a></li><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/rm.html">rm(1)</a></li></ul>
 </div>
-<p id="footer">json &mdash; npm@1.1.55</p>
+<p id="footer">json &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/link.html b/deps/npm/html/doc/link.html
index 443e928993..4449e9cbc3 100644
--- a/deps/npm/html/doc/link.html
+++ b/deps/npm/html/doc/link.html
@@ -58,7 +58,7 @@ installation target into your project&#39;s <code>node_modules</code> folder.</p
 
 <ul><li><a href="../doc/developers.html">developers(1)</a></li><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/config.html">config(1)</a></li></ul>
 </div>
-<p id="footer">link &mdash; npm@1.1.55</p>
+<p id="footer">link &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/list.html b/deps/npm/html/doc/list.html
index eeff3abf7a..4496f464b2 100644
--- a/deps/npm/html/doc/list.html
+++ b/deps/npm/html/doc/list.html
@@ -25,7 +25,7 @@ limit the results to only the paths to the packages named.  Note that
 nested packages will <em>also</em> show the paths to the specified packages.
 For example, running <code>npm ls promzard</code> in npm&#39;s source tree will show:</p>
 
-<pre><code>npm@1.1.55 /path/to/npm
+<pre><code>npm@1.1.56 /path/to/npm
 └─┬ init-package-json@0.0.4
   └── promzard@0.1.5</code></pre>
 
@@ -64,7 +64,7 @@ project.</p>
 
 <ul><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/link.html">link(1)</a></li><li><a href="../doc/prune.html">prune(1)</a></li><li><a href="../doc/outdated.html">outdated(1)</a></li><li><a href="../doc/update.html">update(1)</a></li></ul>
 </div>
-<p id="footer">list &mdash; npm@1.1.55</p>
+<p id="footer">list &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/npm.html b/deps/npm/html/doc/npm.html
index 4ddfb3a3d9..15935125b8 100644
--- a/deps/npm/html/doc/npm.html
+++ b/deps/npm/html/doc/npm.html
@@ -14,7 +14,7 @@
 
 <h2 id="VERSION">VERSION</h2>
 
-<p>1.1.55</p>
+<p>1.1.56</p>
 
 <h2 id="DESCRIPTION">DESCRIPTION</h2>
 
@@ -135,7 +135,7 @@ will no doubt tell you to put the output in a gist or email.</p>
 
 <ul><li><a href="../doc/help.html">help(1)</a></li><li><a href="../doc/faq.html">faq(1)</a></li><li><a href="../doc/README.html">README</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/index.html">index(1)</a></li><li><a href="../api/npm.html">npm(3)</a></li></ul>
 </div>
-<p id="footer">npm &mdash; npm@1.1.55</p>
+<p id="footer">npm &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/outdated.html b/deps/npm/html/doc/outdated.html
index a399607a5c..4cc57efd2f 100644
--- a/deps/npm/html/doc/outdated.html
+++ b/deps/npm/html/doc/outdated.html
@@ -21,7 +21,7 @@ packages are currently outdated.</p>
 
 <ul><li><a href="../doc/update.html">update(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li></ul>
 </div>
-<p id="footer">outdated &mdash; npm@1.1.55</p>
+<p id="footer">outdated &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/owner.html b/deps/npm/html/doc/owner.html
index 00239e4a9a..0e2c73d1e4 100644
--- a/deps/npm/html/doc/owner.html
+++ b/deps/npm/html/doc/owner.html
@@ -34,7 +34,7 @@ that is not implemented at this time.</p>
 
 <ul><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/adduser.html">adduser(1)</a></li><li><a href="../doc/disputes.html">disputes(1)</a></li></ul>
 </div>
-<p id="footer">owner &mdash; npm@1.1.55</p>
+<p id="footer">owner &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/pack.html b/deps/npm/html/doc/pack.html
index 178c7fe074..3e6071f29a 100644
--- a/deps/npm/html/doc/pack.html
+++ b/deps/npm/html/doc/pack.html
@@ -29,7 +29,7 @@ overwritten the second time.</p>
 
 <ul><li><a href="../doc/cache.html">cache(1)</a></li><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/config.html">config(1)</a></li></ul>
 </div>
-<p id="footer">pack &mdash; npm@1.1.55</p>
+<p id="footer">pack &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/prefix.html b/deps/npm/html/doc/prefix.html
index 8dece47900..f2c1df3ec4 100644
--- a/deps/npm/html/doc/prefix.html
+++ b/deps/npm/html/doc/prefix.html
@@ -20,7 +20,7 @@
 
 <ul><li><a href="../doc/root.html">root(1)</a></li><li><a href="../doc/bin.html">bin(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/config.html">config(1)</a></li></ul>
 </div>
-<p id="footer">prefix &mdash; npm@1.1.55</p>
+<p id="footer">prefix &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/prune.html b/deps/npm/html/doc/prune.html
index edbcf34ca4..eed12b903b 100644
--- a/deps/npm/html/doc/prune.html
+++ b/deps/npm/html/doc/prune.html
@@ -25,7 +25,7 @@ package&#39;s dependencies list.</p>
 
 <ul><li><a href="../doc/rm.html">rm(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/list.html">list(1)</a></li></ul>
 </div>
-<p id="footer">prune &mdash; npm@1.1.55</p>
+<p id="footer">prune &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/publish.html b/deps/npm/html/doc/publish.html
index 184543d43f..cfca03b43e 100644
--- a/deps/npm/html/doc/publish.html
+++ b/deps/npm/html/doc/publish.html
@@ -29,7 +29,7 @@ the registry.  Overwrites when the &quot;--force&quot; flag is set.</p>
 
 <ul><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/adduser.html">adduser(1)</a></li><li><a href="../doc/owner.html">owner(1)</a></li><li><a href="../doc/deprecate.html">deprecate(1)</a></li><li><a href="../doc/tag.html">tag(1)</a></li></ul>
 </div>
-<p id="footer">publish &mdash; npm@1.1.55</p>
+<p id="footer">publish &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/rebuild.html b/deps/npm/html/doc/rebuild.html
index 88d1dc39f3..f4618bf5ed 100644
--- a/deps/npm/html/doc/rebuild.html
+++ b/deps/npm/html/doc/rebuild.html
@@ -25,7 +25,7 @@ the new binary.</p>
 
 <ul><li><a href="../doc/build.html">build(1)</a></li><li><a href="../doc/install.html">install(1)</a></li></ul>
 </div>
-<p id="footer">rebuild &mdash; npm@1.1.55</p>
+<p id="footer">rebuild &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/registry.html b/deps/npm/html/doc/registry.html
index 1ff9fdfa3f..3422a37d7c 100644
--- a/deps/npm/html/doc/registry.html
+++ b/deps/npm/html/doc/registry.html
@@ -97,7 +97,7 @@ ask for help on the <a href="mailto:npm-@googlegroups.com">npm-@googlegroups.com
 
 <ul><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/developers.html">developers(1)</a></li><li><a href="../doc/disputes.html">disputes(1)</a></li></ul>
 </div>
-<p id="footer">registry &mdash; npm@1.1.55</p>
+<p id="footer">registry &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/removing-npm.html b/deps/npm/html/doc/removing-npm.html
index c2b2fe1977..48ea5229b1 100644
--- a/deps/npm/html/doc/removing-npm.html
+++ b/deps/npm/html/doc/removing-npm.html
@@ -58,7 +58,7 @@ modules.  To track those down, you can do the following:</p>
 
 <ul><li><a href="../doc/README.html">README</a></li><li><a href="../doc/rm.html">rm(1)</a></li><li><a href="../doc/prune.html">prune(1)</a></li></ul>
 </div>
-<p id="footer">removing-npm &mdash; npm@1.1.55</p>
+<p id="footer">removing-npm &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/restart.html b/deps/npm/html/doc/restart.html
index d9c4c155c4..fc4a2098ac 100644
--- a/deps/npm/html/doc/restart.html
+++ b/deps/npm/html/doc/restart.html
@@ -24,7 +24,7 @@ the &quot;start&quot; script.</p>
 
 <ul><li><a href="../doc/run-script.html">run-script(1)</a></li><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../doc/test.html">test(1)</a></li><li><a href="../doc/start.html">start(1)</a></li><li><a href="../doc/stop.html">stop(1)</a></li></ul>
 </div>
-<p id="footer">restart &mdash; npm@1.1.55</p>
+<p id="footer">restart &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/root.html b/deps/npm/html/doc/root.html
index 210f22eff4..92ddff7c39 100644
--- a/deps/npm/html/doc/root.html
+++ b/deps/npm/html/doc/root.html
@@ -20,7 +20,7 @@
 
 <ul><li><a href="../doc/prefix.html">prefix(1)</a></li><li><a href="../doc/bin.html">bin(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/config.html">config(1)</a></li></ul>
 </div>
-<p id="footer">root &mdash; npm@1.1.55</p>
+<p id="footer">root &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/run-script.html b/deps/npm/html/doc/run-script.html
index 3bcba2dac3..c3579aecd1 100644
--- a/deps/npm/html/doc/run-script.html
+++ b/deps/npm/html/doc/run-script.html
@@ -23,7 +23,7 @@ called directly, as well.</p>
 
 <ul><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../doc/test.html">test(1)</a></li><li><a href="../doc/start.html">start(1)</a></li><li><a href="../doc/restart.html">restart(1)</a></li><li><a href="../doc/stop.html">stop(1)</a></li></ul>
 </div>
-<p id="footer">run-script &mdash; npm@1.1.55</p>
+<p id="footer">run-script &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/scripts.html b/deps/npm/html/doc/scripts.html
index 441418dfb9..e1e3f7ff3f 100644
--- a/deps/npm/html/doc/scripts.html
+++ b/deps/npm/html/doc/scripts.html
@@ -177,7 +177,7 @@ will sudo the npm command in question.</li></ul>
 
 <ul><li><a href="../doc/run-script.html">run-script(1)</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/developers.html">developers(1)</a></li><li><a href="../doc/install.html">install(1)</a></li></ul>
 </div>
-<p id="footer">scripts &mdash; npm@1.1.55</p>
+<p id="footer">scripts &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/search.html b/deps/npm/html/doc/search.html
index ff21fe7a99..db0cf4ba57 100644
--- a/deps/npm/html/doc/search.html
+++ b/deps/npm/html/doc/search.html
@@ -24,7 +24,7 @@ expression characters must be escaped or quoted in most shells.)</p>
 
 <ul><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/view.html">view(1)</a></li></ul>
 </div>
-<p id="footer">search &mdash; npm@1.1.55</p>
+<p id="footer">search &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/semver.html b/deps/npm/html/doc/semver.html
index ee114b9b43..1bc93a2d9c 100644
--- a/deps/npm/html/doc/semver.html
+++ b/deps/npm/html/doc/semver.html
@@ -104,7 +104,7 @@ that satisfies the range, or null if none of them do.</li></ul>
 
 <ul><li><a href="../doc/json.html">json(1)</a></li></ul>
 </div>
-<p id="footer">semver &mdash; npm@1.1.55</p>
+<p id="footer">semver &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/shrinkwrap.html b/deps/npm/html/doc/shrinkwrap.html
index 884f674dfe..c77c2daf22 100644
--- a/deps/npm/html/doc/shrinkwrap.html
+++ b/deps/npm/html/doc/shrinkwrap.html
@@ -169,7 +169,7 @@ versions.</p>
 
 <ul><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/list.html">list(1)</a></li></ul>
 </div>
-<p id="footer">shrinkwrap &mdash; npm@1.1.55</p>
+<p id="footer">shrinkwrap &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/star.html b/deps/npm/html/doc/star.html
index 2e0fa1df12..8e39707983 100644
--- a/deps/npm/html/doc/star.html
+++ b/deps/npm/html/doc/star.html
@@ -26,7 +26,7 @@ a vaguely positive way to show that you care.</p>
 
 <ul><li><a href="../doc/view.html">view(1)</a></li><li><a href="../doc/whoami.html">whoami(1)</a></li><li><a href="../doc/adduser.html">adduser(1)</a></li></ul>
 </div>
-<p id="footer">star &mdash; npm@1.1.55</p>
+<p id="footer">star &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/start.html b/deps/npm/html/doc/start.html
index b80fd81fb2..50bae217b6 100644
--- a/deps/npm/html/doc/start.html
+++ b/deps/npm/html/doc/start.html
@@ -20,7 +20,7 @@
 
 <ul><li><a href="../doc/run-script.html">run-script(1)</a></li><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../doc/test.html">test(1)</a></li><li><a href="../doc/restart.html">restart(1)</a></li><li><a href="../doc/stop.html">stop(1)</a></li></ul>
 </div>
-<p id="footer">start &mdash; npm@1.1.55</p>
+<p id="footer">start &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/stop.html b/deps/npm/html/doc/stop.html
index 800fa1d816..1419c8c081 100644
--- a/deps/npm/html/doc/stop.html
+++ b/deps/npm/html/doc/stop.html
@@ -20,7 +20,7 @@
 
 <ul><li><a href="../doc/run-script.html">run-script(1)</a></li><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../doc/test.html">test(1)</a></li><li><a href="../doc/start.html">start(1)</a></li><li><a href="../doc/restart.html">restart(1)</a></li></ul>
 </div>
-<p id="footer">stop &mdash; npm@1.1.55</p>
+<p id="footer">stop &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/submodule.html b/deps/npm/html/doc/submodule.html
index 3b58ed98d5..ed8e991972 100644
--- a/deps/npm/html/doc/submodule.html
+++ b/deps/npm/html/doc/submodule.html
@@ -33,7 +33,7 @@ dependencies into the submodule folder.</p>
 
 <ul><li><a href="../doc/json.html">json(1)</a></li><li>git help submodule</li></ul>
 </div>
-<p id="footer">submodule &mdash; npm@1.1.55</p>
+<p id="footer">submodule &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/tag.html b/deps/npm/html/doc/tag.html
index 1cfeeba743..70ef8f97e7 100644
--- a/deps/npm/html/doc/tag.html
+++ b/deps/npm/html/doc/tag.html
@@ -21,7 +21,7 @@
 
 <ul><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/config.html">config(1)</a></li></ul>
 </div>
-<p id="footer">tag &mdash; npm@1.1.55</p>
+<p id="footer">tag &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/test.html b/deps/npm/html/doc/test.html
index 21890436f1..3b9a521044 100644
--- a/deps/npm/html/doc/test.html
+++ b/deps/npm/html/doc/test.html
@@ -23,7 +23,7 @@ true.</p>
 
 <ul><li><a href="../doc/run-script.html">run-script(1)</a></li><li><a href="../doc/scripts.html">scripts(1)</a></li><li><a href="../doc/start.html">start(1)</a></li><li><a href="../doc/restart.html">restart(1)</a></li><li><a href="../doc/stop.html">stop(1)</a></li></ul>
 </div>
-<p id="footer">test &mdash; npm@1.1.55</p>
+<p id="footer">test &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/uninstall.html b/deps/npm/html/doc/uninstall.html
index cbc5835bb0..e60f6717ad 100644
--- a/deps/npm/html/doc/uninstall.html
+++ b/deps/npm/html/doc/uninstall.html
@@ -22,7 +22,7 @@ on its behalf.</p>
 
 <ul><li><a href="../doc/prune.html">prune(1)</a></li><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/config.html">config(1)</a></li></ul>
 </div>
-<p id="footer">uninstall &mdash; npm@1.1.55</p>
+<p id="footer">uninstall &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/unpublish.html b/deps/npm/html/doc/unpublish.html
index 36442c872a..bb68815a6a 100644
--- a/deps/npm/html/doc/unpublish.html
+++ b/deps/npm/html/doc/unpublish.html
@@ -34,7 +34,7 @@ the root package entry is removed from the registry entirely.</p>
 
 <ul><li><a href="../doc/deprecate.html">deprecate(1)</a></li><li><a href="../doc/publish.html">publish(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/adduser.html">adduser(1)</a></li><li><a href="../doc/owner.html">owner(1)</a></li></ul>
 </div>
-<p id="footer">unpublish &mdash; npm@1.1.55</p>
+<p id="footer">unpublish &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/update.html b/deps/npm/html/doc/update.html
index 10053a7897..d344ed7186 100644
--- a/deps/npm/html/doc/update.html
+++ b/deps/npm/html/doc/update.html
@@ -23,7 +23,7 @@
 
 <ul><li><a href="../doc/install.html">install(1)</a></li><li><a href="../doc/outdated.html">outdated(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/folders.html">folders(1)</a></li><li><a href="../doc/list.html">list(1)</a></li></ul>
 </div>
-<p id="footer">update &mdash; npm@1.1.55</p>
+<p id="footer">update &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/version.html b/deps/npm/html/doc/version.html
index b6269a5f76..c492f80b09 100644
--- a/deps/npm/html/doc/version.html
+++ b/deps/npm/html/doc/version.html
@@ -40,7 +40,7 @@ in your git config for this to work properly.</p>
 
 <ul><li><a href="../doc/init.html">init(1)</a></li><li><a href="../doc/json.html">json(1)</a></li><li><a href="../doc/semver.html">semver(1)</a></li></ul>
 </div>
-<p id="footer">version &mdash; npm@1.1.55</p>
+<p id="footer">version &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/view.html b/deps/npm/html/doc/view.html
index 5877aaea3e..03230cc656 100644
--- a/deps/npm/html/doc/view.html
+++ b/deps/npm/html/doc/view.html
@@ -88,7 +88,7 @@ the field name.</p>
 
 <ul><li><a href="../doc/search.html">search(1)</a></li><li><a href="../doc/registry.html">registry(1)</a></li><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/docs.html">docs(1)</a></li></ul>
 </div>
-<p id="footer">view &mdash; npm@1.1.55</p>
+<p id="footer">view &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/html/doc/whoami.html b/deps/npm/html/doc/whoami.html
index 342e4d1f17..5f941c0313 100644
--- a/deps/npm/html/doc/whoami.html
+++ b/deps/npm/html/doc/whoami.html
@@ -20,7 +20,7 @@
 
 <ul><li><a href="../doc/config.html">config(1)</a></li><li><a href="../doc/adduser.html">adduser(1)</a></li></ul>
 </div>
-<p id="footer">whoami &mdash; npm@1.1.55</p>
+<p id="footer">whoami &mdash; npm@1.1.56</p>
 <script>
 ;(function () {
 var wrapper = document.getElementById("wrapper")
diff --git a/deps/npm/lib/install.js b/deps/npm/lib/install.js
index c58d5a1e65..ecb5d0d76d 100644
--- a/deps/npm/lib/install.js
+++ b/deps/npm/lib/install.js
@@ -104,11 +104,10 @@ function install (args, cb_) {
     // install dependencies locally by default,
     // or install current folder globally
     if (!args.length) {
+      var opt = { dev: npm.config.get("dev") || !npm.config.get("production") }
+
       if (npm.config.get("global")) args = ["."]
-      else return readDependencies( null
-                                  , where
-                                  , { dev: !npm.config.get("production") }
-                                  , function (er, data) {
+      else return readDependencies(null, where, opt, function (er, data) {
         if (er) {
           log.error("install", "Couldn't read dependencies")
           return cb(er)
@@ -184,6 +183,12 @@ function readDependencies (context, where, opts, cb) {
       })
     }
 
+    if (!npm.config.get("optional") && data.optionalDependencies) {
+      Object.keys(data.optionalDependencies).forEach(function (d) {
+        delete data.dependencies[d]
+      })
+    }
+
     if (wrap) {
       log.verbose("readDependencies: using existing wrap", [where, wrap])
       var rv = {}
@@ -456,7 +461,8 @@ function installMany (what, where, context, cb) {
   // dependencies we'll iterate below comes from an existing shrinkwrap from a
   // parent level, a new shrinkwrap at this level, or package.json at this
   // level, as well as which shrinkwrap (if any) our dependencies should use.
-  readDependencies(context, where, {}, function (er, data, wrap) {
+  var opt = { dev: npm.config.get("dev") }
+  readDependencies(context, where, opt, function (er, data, wrap) {
     if (er) data = {}
 
     var parent = data
@@ -888,7 +894,8 @@ function write (target, targetFolder, context, cb_) {
       if (er) return cb(er)
 
       // before continuing to installing dependencies, check for a shrinkwrap.
-      readDependencies(context, targetFolder, {}, function (er, data, wrap) {
+      var opt = { dev: npm.config.get("dev") }
+      readDependencies(context, targetFolder, opt, function (er, data, wrap) {
         var deps = Object.keys(data.dependencies || {})
 
         // don't install bundleDependencies, unless they're missing.
diff --git a/deps/npm/man/man1/config.1 b/deps/npm/man/man1/config.1
index f1a4ee09c5..799179b5e7 100644
--- a/deps/npm/man/man1/config.1
+++ b/deps/npm/man/man1/config.1
@@ -947,6 +947,21 @@ Type: path
 A node module to \fBrequire()\fR when npm loads\.  Useful for programmatic
 usage\.
 .
+.SS "optional"
+.
+.IP "\(bu" 4
+Default: true
+.
+.IP "\(bu" 4
+Type: Boolean
+.
+.IP "" 0
+.
+.P
+Attempt to install packages in the \fBoptionalDependencies\fR hash\.  Note
+that if these packages fail to install, the overall installation
+process is not aborted\.
+.
 .SS "parseable"
 .
 .IP "\(bu" 4
diff --git a/deps/npm/man/man1/list.1 b/deps/npm/man/man1/list.1
index 8808310e49..b8dd8c2c9e 100644
--- a/deps/npm/man/man1/list.1
+++ b/deps/npm/man/man1/list.1
@@ -29,7 +29,7 @@ For example, running \fBnpm ls promzard\fR in npm\'s source tree will show:
 .IP "" 4
 .
 .nf
-npm@1.1.55 /path/to/npm
+npm@1.1.56 /path/to/npm
 └─┬ init\-package\-json@0\.0\.4
   └── promzard@0\.1\.5
 .
diff --git a/deps/npm/man/man1/npm.1 b/deps/npm/man/man1/npm.1
index c0253a1b4b..496cb293bf 100644
--- a/deps/npm/man/man1/npm.1
+++ b/deps/npm/man/man1/npm.1
@@ -14,7 +14,7 @@ npm <command> [args]
 .fi
 .
 .SH "VERSION"
-1.1.55
+1.1.56
 .
 .SH "DESCRIPTION"
 npm is the package manager for the Node JavaScript platform\.  It puts
diff --git a/deps/npm/man/man3/npm.3 b/deps/npm/man/man3/npm.3
index 87072e4e34..0c4fdc8287 100644
--- a/deps/npm/man/man3/npm.3
+++ b/deps/npm/man/man3/npm.3
@@ -21,7 +21,7 @@ npm\.load(configObject, function (er, npm) {
 .fi
 .
 .SH "VERSION"
-1.1.55
+1.1.56
 .
 .SH "DESCRIPTION"
 This is the API documentation for npm\.
diff --git a/deps/npm/node_modules/npmconf/config-defs.js b/deps/npm/node_modules/npmconf/config-defs.js
index 32c13d5209..df8b987118 100644
--- a/deps/npm/node_modules/npmconf/config-defs.js
+++ b/deps/npm/node_modules/npmconf/config-defs.js
@@ -176,6 +176,7 @@ Object.defineProperty(exports, "defaults", {get: function () {
     , npaturl : "http://npat.npmjs.org/"
     , npat : false
     , "onload-script" : false
+    , optional: true
     , parseable : false
     , pre: false
     , prefix : globalPrefix
@@ -266,6 +267,7 @@ exports.types =
   , npaturl : url
   , npat : Boolean
   , "onload-script" : [null, String]
+  , optional: Boolean
   , parseable : Boolean
   , pre: Boolean
   , prefix: path
diff --git a/deps/npm/node_modules/npmconf/package.json b/deps/npm/node_modules/npmconf/package.json
index 8995ddfc04..e1a31fa1d8 100644
--- a/deps/npm/node_modules/npmconf/package.json
+++ b/deps/npm/node_modules/npmconf/package.json
@@ -1,6 +1,6 @@
 {
   "name": "npmconf",
-  "version": "0.0.8",
+  "version": "0.0.9",
   "description": "The config thing npm uses",
   "main": "npmconf.js",
   "directories": {
@@ -39,6 +39,6 @@
     "nopt": "~2.0.0"
   },
   "readme": "# npmconf\n\nThe config thing npm uses\n\nIf you are interested in interacting with the config settings that npm\nuses, then use this module.\n\nHowever, if you are writing a new Node.js program, and want\nconfiguration functionality similar to what npm has, but for your\nown thing, then I'd recommend using [rc](https://github.com/dominictarr/rc),\nwhich is probably what you want.\n\nIf I were to do it all over again, that's what I'd do for npm.  But,\nalas, there are many systems depending on many of the particulars of\nnpm's configuration setup, so it's not worth the cost of changing.\n\n## USAGE\n\n```javascript\nvar npmconf = require('npmconf')\n\n// pass in the cli options that you read from the cli\n// or whatever top-level configs you want npm to use for now.\nnpmconf.load({some:'configs'}, function (er, conf) {\n  // do stuff with conf\n  conf.get('some', 'cli') // 'configs'\n  conf.get('username') // 'joebobwhatevers'\n  conf.set('foo', 'bar', 'user')\n  conf.save('user', function (er) {\n    // foo = bar is now saved to ~/.npmrc or wherever\n  })\n})\n```\n",
-  "_id": "npmconf@0.0.8",
+  "_id": "npmconf@0.0.9",
   "_from": "npmconf@~0.0.6"
 }
diff --git a/deps/npm/package.json b/deps/npm/package.json
index 71a77aba69..855e3627bd 100644
--- a/deps/npm/package.json
+++ b/deps/npm/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.1.55",
+  "version": "1.1.56",
   "name": "npm",
   "publishConfig": {
     "proprietary-attribs": false
@@ -68,7 +68,7 @@
     "retry": "~0.6.0",
     "couch-login": "~0.1.9",
     "once": "~1.1.1",
-    "npmconf": "~0.0.6"
+    "npmconf": "0.0.9"
   },
   "bundleDependencies": [
     "semver",