Pre-deferred commit
Added -O2 -O3 to g++ chain
Deferred pass 1
Lightning pass working
Added DirectionalLight to deferred
Added first SpotLight test shader
Added Utility.hpp
Utility things
Graphic minor bug corrections
Added first SpotLight test shader
Added Utility.hpp
Merge branch 'Andre'

Conflicts:
	lib/include/Graphics/Scene/SpotLight.hpp
	lib/include/Utility.hpp
	lib/src/Graphics/Render/DeferredRender.cpp
	resources/shaders/DFlightSpot.frag
Merge branch 'master' of https://github.com/IMACoconut/ImaKart.git into Nicolas