Allow other mods to generate ores in Artifice rock

Without this, Artifice rocks create large voids which contain far fewer ores, as most ores are coded to overwrite stone.
Merge pull request #74 from ReikaKalseki/patch-1

Allow other mods to generate ores in Artifice rock
Update zh_CN.lang
Merge pull request #75 from ViKaleidoscope/patch-1

Update zh_CN.lang
Fix fluid icons
Merge pull request #72 from jaquadro/master

Replace random rotation caching with hash function to stop memory leak.
Update zh_CN.lang
Update ru_RU.lang
Merge pull request #76 from Mrkwtkr/patch-1

Update zh_CN.lang
Merge pull request #77 from Adaptivity/patch-1

Update ru_RU.lang