Duplicate documentable code and rename for imageable

app/assets/javascripts/application.js

@@ -63,6 +63,7 @@
 //= require followable
 //= require flaggable
 //= require documentable
+//= require imageable
 //= require tree_navigator
 //= require custom
 //= require tag_autocomplete
@@ -100,6 +101,7 @@ var initialize_modules = function() {
   App.WatchFormChanges.initialize();
   App.TreeNavigator.initialize();
   App.Documentable.initialize();
+  App.Imageable.initialize();
   App.TagAutocomplete.initialize();
 };