dojox/app layoutApp2 test, added an UnloadViewController to show how to unload a view. To test the unload, go to the Date Test and click one of the unload buttons.  This also required cleanup of the destroy functions, they can not call this.inherited(arguments).
cleanup of the destroy functions for all testcases they can not call this.inherited(arguments).
Merge pull request #194 from edchat/unloadView

Unload view example