Try using our own version of glext and gl2ext for OpenGL ES
Commit patch by cfsworks to properly mark OpenAL sounds as inactive when they are created while the manager is inactive
Commit patch by cfsworks to properly copy Lens::CData::_min_fov in copy constructor
Fixed bug in BulletManifoldPoint copy assignment operator.
Maya 2015 support
Allow for mpeg2 files with the m2v extension