Convert all CoffeeScript to Javascript. See:

http://meta.discourse.org/t/is-it-better-for-discourse-to-use-javascript-or-coffeescript/3153

app/assets/javascripts/env.js

@@ -0,0 +1,18 @@
+
+/* These will help us migrate up to the new ember's default behavior
+*/
+
+
+(function() {
+
+  window.ENV = {
+    CP_DEFAULT_CACHEABLE: true,
+    VIEW_PRESERVES_CONTEXT: true,
+    MANDATORY_SETTER: false
+  };
+
+  window.Discourse = {};
+
+  window.Discourse.SiteSettings = {};
+
+}).call(this);