Make the Mention button work with the asset pipeline

* Fix the javascript_include_tag in the status_messages/new view
* Precompile pubhlsiher.js and jquery.textchange.min.js

This fixes a 500 error that was being thrown when the Mention button
was clicked, due to the above two javascripts not being precompiled
and a javascript include that needed to be updated to load
jquery.textchange.js from the correct path.

app/views/status_messages/new.html.haml

@@ -1,7 +1,7 @@
 -#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
 -#   licensed under the Affero General Public License version 3 or later.  See
 -#   the COPYRIGHT file.
-= javascript_include_tag  'vendor/jquery.textchange.min.js', "publisher.js"
+= javascript_include_tag  'jquery.textchange.min.js', "publisher.js"
 
 :javascript
   $(function() {

config/application.rb

@@ -76,9 +76,9 @@ module Diaspora
     # Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added)
     # Javascripts
     config.assets.precompile += [ "contact-list.js", "finder.js", "home.js",
-      "ie.js", "inbox.js", "jquery.js", "jquery_ujs.js", "login.js", "mailchimp.js",
-      "main.js", "mobile.js", "profile.js", "people.js", "photos.js", "templates.js",
-      "validation.js" ]
+      "ie.js", "inbox.js", "jquery.js", "jquery_ujs.js", "jquery.textchange.min.js",
+      "login.js", "mailchimp.js", "main.js", "mobile.js", "profile.js",
+      "people.js", "photos.js", "publisher.js", "templates.js", "validation.js" ]
 
     # Stylesheets
     config.assets.precompile += [ "blueprint.css", "bootstrap.css", "default.css",