Moved the InputManager from the Mezzanine namespace into the Input namespace, and updated all the code that needed it.
Merge branch 'master' of https://github.com/BlackToppStudios/Mezzanine
Removed parts of cmake referring to cg.
Re-ordered includes to remove a very odd bug that was occuring.  Probably something in the include chain from the threading system.
Updated the inputmanager to do it's work in the frame scheduler.