Initial round of changes for a working OSX port.
Removed all entries and references to cg in our repo,,,that I could find.
Merge branch 'master' of https://github.com/BlackToppStudios/Mezzanine
Merge branch 'master' of https://github.com/BlackToppStudios/Mezzanine
Merge branch 'master' of https://github.com/BlackToppStudios/Mezzanine

Conflicts:
	CMakeLists.txt