Ray's changes for css and js

app/views/admin/items/index.html.erb

@@ -1,14 +1,8 @@
 <% node = Item.root %>
 
-<%= render 'site_bar' %>
-
-<section id="main-wrap">
-  <div class="wrap-inner initial">
-    <ol id='<%= node.id %>' class="sortable">
-      <%= render 'node_and_children', node: node %>
-    </ol>
-  </div>
-</section>
+<ol id='<%= node.id %>' class="sortable item-groups">
+  <%= render 'node_and_children', node: node %>
+</ol>
 
 <div id="dialog" class="modal hide" tabindex="-1" role="dialog" aria-labelledby="Delete item" aria-hidden="true">
   <div class="modal-header">