Fixed a typedef.
Merge branch 'master' of https://github.com/BlackToppStudios/Mezzanine
I moved the physicsmanager to it's own namespace.  Updated all the code in the workspace to the new position.  Also moved the custom collision dispatcher to it's own file instead of taking up space in the physics manager source file.
Merge branch 'master' of https://github.com/BlackToppStudios/Mezzanine