Reduced the amount of vertex ModelChunk uses
Merge branch 'master' of github.com:VoxelWorldDev/VoxelWorld

Conflicts:
	VoxelWorld/ModelChunk.cpp
Merge branch 'master' of github.com:VoxelWorldDev/VoxelWorld

Conflicts:
	VoxelWorld/Renderer.cpp
	VoxelWorld/World.cpp
Merged ModelChunk.cpp