Added a nearly working skybox
Merge branch 'master' of github.com:VoxelWorldDev/VoxelWorld

Conflicts:
	VoxelWorld/Renderer.cpp
	VoxelWorld/Renderer.h
	VoxelWorld/World.h
Merge branch 'master' of github.com:VoxelWorldDev/VoxelWorld

Conflicts:
	VoxelWorld/Renderer.cpp
	VoxelWorld/Renderer.h
	VoxelWorld/main.cpp