Renamed SOLID_PASS into FACING, split NORTHSOUTH and EASTWEST values.
Simplified chunk render method.
Removed unused convenience wrapper.
Merged render{TopBottom,NorthSouth,EastWest} into renderBlockFace.
Merged getAdj*BlockId into getAdjBlockId method.
Simplified chunk render method.
Merge pull request #5 from adrianbroher/master

Simplify the chunk rendering code.