First run PVRTC Support for the pipeline.
Changed function name in PVRTexLibC. Added configuration for x64.
Added PVRTCBitmapContent.
Merge branch 'develop3d' into FontProcessor
PVRTCBitmapContent is no longer a public class.
Updating submodule reference.
Deleting old .dll's from Tools folder, as they've been moved into ThirdParty/Libs.
Merge pull request #1301 from SickheadGames/FontProcessor

PVRTC support added to pipeline.