Admin can new/edit user_attributes

app/views/layouts/admin.html.erb

@@ -24,6 +24,7 @@
           <li><%= link_to t(:item, :scope => :admin), admin_items_path %></li>
           <li><%= link_to t(:layout, :scope => :admin), admin_layouts_path %></li>
           <li><%= link_to t(:asset, :scope => :admin), admin_assets_path %></li>
+          <li><%= link_to t(:user_attribute, :scope => :admin), admin_user_attributes_path %></li>
      </ul>
   </div>