Merged in physics and found a resource bug

Textures loaded by models is not released correctly.
Small change.

Uncommented rendering logic.
Bugged Fixed

Added a releasecallback funtion for textures which releases the texture
created by models. Update Model definition to contain their resource
name for textures.
Merge remote-tracking branch 'origin/master' into AH-140_refactor_graphics

Conflicts:
	Graphics/Source/Graphics.cpp
Removed old code again. AH-140

WTF Git for Windows!!!