Merge branch 'release/0.2.1' into develop
Move TreeSpeciesLoader to kore
Isolate TreeSpeciesLoader to kore
Merge branch 'feature/kore' into develop
Replace sapling textures
Fix #9 (Planks are insta-break with any tool)
- Added hardness and resistance to planks.
Bump version number to 0.2.2
Merge branch 'release/0.2.2'