Fixes #287

Checks if the block above is tall grass.
Merge pull request #319 from WoodStone/master

Fixes #287
Improved worldgenQuarry? 

Checks if the adjacent blocks, one up, are not air.
Merge pull request #320 from WoodStone/master

Improved worldgenQuarry, maybe?
Platforms shouldn't drop posts.
Setup RF API as a submodule and ensure license texts get inserted into the jar
Update README.md
Added alumentum as blast furnace fuel
Merge branch 'master' into yopu-master