Changed behavior of Scene::visit to stop child traversal, but continue sibling traversal when false is returned from visitMethod, instead of stopping traversal entirely.
Fixed Terrain compile error on BlackBerry.
Fixed process shutdown issue on BlackBerry.
Fixed a few compile warnings.
Minor terrain test updates.
Merge branch 'next' of https://github.com/blackberry/GamePlay into next

Conflicts:
	gameplay/src/Gamepad.cpp
Merge pull request #740 from sgrenier/next

Misc. changes