implement voxelcluster drawing :) #1
fixes for linux
linux fixes
fix small rendering issue
Merge branch 'master' of https://github.com/voxelinc/voxellancer into voxel_rendering

Conflicts:
	src/game.cpp
	src/game.h
rename Cube to VoxelRenderer and Voxelcluster to VoxelCluster
Merge pull request #18 from voxelinc/voxel_rendering

Voxel rendering