TableLayout, don't do anything if cell already has widget.
scene2d, better Stage#unfocus method, allow FocusEvent to be cancelled.
Dialog, cancel method to not hide, restore previous focus actors, prevent focus leaving modal dialogs.

http://www.badlogicgames.com/forum/viewtopic.php?f=16&t=6893&p=32053#p32053
Stage, cancellable scroll focus event.
Dialog, fixed NPE.
Dialog, fixed another (stupid) NPE...
Merge branch 'master' into new3dapi