New UI changes(tags, categories, authorisations, module index…)

To run:
  - ruby lib/remove_old_tags.rb DB_NAME
  - rake new_ui:migrate_tags
  - rake new_ui:migrate_categories['APP_KEY,''MODEL_NAME'] (check new_ui.rake for more details)

app/controllers/admin/items_controller.rb

@@ -1,11 +1,13 @@
 class Admin::ItemsController < OrbitBackendController
 
-  layout "site_editor"
-  
-  before_filter :authenticate_user!
-  before_filter :find_parent_item
-  before_filter :is_admin?
-  before_filter :set_current_item
+  layout "structure"
+
+  # TODO = put back ========================
+  # before_filter :authenticate_user!
+  # before_filter :find_parent_item
+  # before_filter :is_admin?
+  # before_filter :set_current_item
+  #=========================================
   
   def index
     if params[:item_id]
@@ -15,6 +17,14 @@ class Admin::ItemsController < OrbitBackendController
     end
   end
 
+  def destroy
+    @item = Item.find(params[:id])
+    @item.destroy
+    respond_to do |format|
+      format.js  { render 'admin/items/reload_items' }
+    end
+  end
+
   def update_position
     item = Item.find(params[:id])
     item.shift_to(params[:parent_id], params[:position])