Fix NPE in getBiomeByName (bdew/gendustry#22)
Fixed tile entity names not being scoped, should prevent collisions
Added Misc.forgeDirection, Misc.asInstanceOpt, Misc.getNeighbourTile and ItemUtils.getAccessibleSlotsFromSide helpers
Added cover upgrades system
Reworked cover system to store full itemstack of the cover (for stuff like filter covers to have a place to store data)
Merge remote-tracking branch 'remotes/origin/master' into mc172
Cleanup and update changes to 1.7.2