Added first round of nether tech #5

Solid fuels (Nether Coal, Nether Coal Block)
AE Integration
Mekanism Integration
Cleaned up a bit of stuff.
Added pack.mcmeta to get it to stop complaining about it.

Still need more integration points, only works with UE builds right now
:P

Works with vanilla as well, surround charcoal with nether rack.
Merge remote-tracking branch 'upstream/master'