Merge pull request #777 from blackberry/master

Rebase master to next
Merge pull request #783 from blackberry/master

Rebase master to next
Adds support for GLES2 fallback mode for split depth and stencil attachments at D24_S8 and lower quality D16_S8 for TEGRA 3
Merge pull request #784 from seanpaultaylor/master

Fixes #774
Updated all Xcode projects adding armv7s architecture for iPhone5 support
Merge branch 'next' of https://github.com/blackberry/GamePlay
Merge branch 'master' of https://github.com/blackberry/GamePlay
Merge pull request #787 from seanpaultaylor/master

Updated all Xcode projects adding armv7s architecture for iPhone5 support
Merge branch 'master' of https://github.com/blackberry/GamePlay