Convert TooltipDialog to issue onExecute()/onCancel() callbacks so parent knows when to close it, rather than closing itself.
Convert TooltipDialog to issue onExecute()/onCancel() callbacks so parent knows
when to close it, rather than closing itself.

Refs #3603.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@9551 560b804f-0ae3-0310-86f3-f6aa0a117693

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