Size borders from game.chunkSize directly instead of voxel array minus padding
Add translation for chunk padding 4, voxel-mesher ^0.11.0

With the double layer of padding (of air, so that the voxel faces on the
edges are rendered), we have to translate to fix the chunkborder positions.

Requires deathcap/voxel-engine@216be651f223ff896067239e2907dbb0361112c9
0.3.0