Make separate event names for each modified widget attribute, ex: attrmodified-selectedchildwidget.   Seems safer for performance.   Refs #13785 !strict.
Make separate event names for each modified widget attribute, ex: attrmodified-selectedchildwidget.   Seems safer for performance.   Refs #13785 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@28328 560b804f-0ae3-0310-86f3-f6aa0a117693

harbalk/delite,harbalk/delite,Sam-Cummins/delite,Sam-Cummins/delite,kitsonk/delite,kitsonk/delite