title: Sencha architect use Ext.ux.ToolbarDroppable
body: <p>I'm looking for the Ext.ux.ToolbarDroppable plugin which allow to drag/drop column onto a toolbar for multisort as we can see in the following multi sort example :</p>
  
  <p><a href="http://docs.sencha.com/extjs/4.2.0/extjs-build/examples/build/KitchenSink/ext-theme-neptune/#multi-sort-grid" rel="nofollow">http://docs.sencha.com/extjs/4.2.0/extjs-build/examples/build/KitchenSink/ext-theme-neptune/#multi-sort-grid</a></p>
  
  <p>How to use it in Sencha architect (version 2.2.2) ?</p>