Added Rock tiles
Merge branch 'master' of https://github.com/greggman/hft-tonde-iko
Added Finished Rocky tileset, Skinned rocky level, fixed metal level.
Slight edit to level 1-0
Merge branch 'master' of https://github.com/greggman/hft-tonde-iko

Conflicts:
	assets/level1-0.json