Update Xcode project for ImageControl and missing lua sources
Added FrameBuffer::getCurrent() for retrieving the currently bound FrameBuffer.
Added support for setting a custom projection matrix on Camera class.
Merge branch 'next' of https://github.com/blackberry/GamePlay into next
Merge pull request #906 from sgrenier/next

Next
Merge pull request #907 from seanpaultaylor/next

Update Xcode project for ImageControl and missing lua sources