Added coral blockstates and item and block models files. Also updated localization file to contain corals, rocks, and grass.
Herp, forgot to change the rocks in the localization file to match new naming scheme in last commit. Fixed now!
Merge pull request #360 from Brycey92/BOP-1.8-3.0.x

Added coral blockstates and item and block models files. Also updated localization file to contain corals, rocks, and grass.