Fix Mac build
Fix Mac build by adding SetSupportedOrientations to MacOS/GameWindow
Merge pull request #1484 from slygamer/mac-window-fix

Fix Mac build
Updated submodules to latest versions
ThirdParty/Kickstart had been in .gitmodules for a long time, but had never pulled down the submodule for me.
ThirdParty/Libs includes AssImp and OUYA SDK updates.
Tests includes RayTest.
Updating to new ManagedPVRTC library.
Merge pull request #1485 from slygamer/latest-submodules-2

Updated submodules to latest versions
Updating MonogameContentProcessors to new ManagedPVRTC library.
Merge branch 'develop' into UpdatePVRDependency
Removing old PVRTexLibC solution.
Removed reference to old PVRTexLibC library.
Merge pull request #1486 from SickheadGames/UpdatePVRDependency

Updating to new ManagedPVRTC library.