added the tooth block, a 3x3 storage block for thrasher teeth
the block previously known as the tooth block is now tooth tiles
renamed elder prismarine coralstone to elder coralstone, not internally, your worlds are safe
further lowered the thrasher spawnrate at night, for the final time
fixed kelpy stone bricks being uncraftable
fixed pickerelweed not being bonemealable unless it could grow