Fixed EntityCombustEvent children using a different handlerList
Added Living->getTargetBlock(), Living->getLineOfSight(), Vector3 side constants, Vector3::getOppositeSide()
Removed old OS detection code
Fixed Entity->getLineOfSight()
Deprecated Level->getSpawn() in favor of Level->getSpawnLocation()
Merge remote-tracking branch 'mainstream/master'
Simpler API