Fix drag & drop in Chrome browser (a workaround for it's bug)
Fix drag & drop in Chrome browser (a workaround for it's bug)

Wrapping almost all the Xonomy.drag handler code into a timeout handler
is a quick-and-dirty workaround for a known Chrome browser bug
(if the DOM is manipulated in the 'dragStart' event then the 'dragEnd'
event is sometimes fired immediately).

For more details regarding the browser bug @see:
  http://stackoverflow.com/questions/19639969/html5-dragend-event-firing-immediately

michmech/xonomy