geometryManager into shadingmanager
Merge branch 'merge_opengl_octree' of https://github.com/Another-Game-Engine/AGE into merge_opengl_octree

Conflicts:
	GameEngine/GameEngine/Engine/Core/AssetManager.cpp
	GameEngine/GameEngine/Engine/Core/AssetsManager.hpp
	GameEngine/GameEngine/Engine/Systems/CameraSystem.cpp