Merge pull request #735 from sgrenier/next

Terrain test updates
Merge pull request #736 from sgrenier/next

Minor fixes
small typeo fix
Merge pull request #737 from stephendoyle/next

small typeo fix
Updated game.config files to use gamepad not gamepads.
Updated BillboardTest and grass texture.
Fixed for BlackBerry 10 and PlayBook builds.
Removes various warnings.
Removes USE_BLACKBERRY_GAMEPAD as enabled by default.
Merge pull request #738 from seanpaultaylor/next

Next
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