Adds testing code for adding entity system to HexTD main.
Removes unused EntityProcessor.cpp
Merge branch 'master' of https://github.com/huxs/hextd into entity_system

Conflicts:
	Utility/src/Memory/StackAllocator.cpp
Adds a new module for resource loading.
Removes Resources project and moves GLFactory to core module.
Merge branch 'master' of https://github.com/huxs/hextd into entity_system

Conflicts:
	Render/src/OpenGL3/GLGraphicsDevice.cpp
Merge branch 'entity_system'
Use debug version of yaml when building debug.