shield volcano generates up to maximum height
glauconite no longer uses an invalid biome type
fen and moor are now listed as swamps
add itemstack method for registering ore drops
crude materials gain an associated heat value
add peat, lignite and anthracite materials; no block textures yet
reactions are more dynamic
brown limonite gets a little redder
laterite ore dictified as clay
anthracite and lignite drop coal in different amounts, at least for now
remove obsolete, never-working grinding recipe registration
add hardened clay aggregate
all rock types gain by-products
adjacent block rendering supports clay
complete support for lignite, anthracite and peat (generation,
textures, translations, etc)
starting to refactor item system