Fixes #1675 dropdown not working in the "manage" button

applications/admin/views/default/site.html

@@ -46,7 +46,7 @@
       </td>
       <td>
         <div class="btn-group">
-          <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">
+          <a class="btn dropdown-toggle" data-toggle="dropdown">
         {{=T('Manage')}}
         <span class="caret"></span>
           </a>