Removing flatpack feature from 2.x = we can always restore it later by porting from 1.x if there is a demand for it.

git-svn-id: https://svn.apache.org/repos/asf/wookie/trunk@1566398 13f79535-47bb-0310-9956-ffa450edef68
Removed the IWidgetInstance scaffold for AuthToken

git-svn-id: https://svn.apache.org/repos/asf/wookie/trunk@1566399 13f79535-47bb-0310-9956-ffa450edef68