Re-balanced Netherfacotries

This is an attempt to re-balance for over one year of material inflation and deflation.

Changelog:

Aspect of Terra:
-Emerald Block 24 -> 48
-Diamond Block 24 -> 48
-Gold Ore 8 -> 12
-Slime Ball 8 -> 12
-Anvil 8 -> 12

Aspect of End:
-Endstone requirements removed.
-A new Obsidian requirement added, cost 1024 blocks.

Aspect of Nether:
-Ghast Tears 16 -> 64
-Quartz Ore 512 -> 1024
-Glowstone 512 -> 1024