Change how blocks/items are registered (desc)

tterrag is a meany face and yelled at me for using class.getSimpleName(). So here's an API-friendly re-work of the registration system. This allows all our Items/Blocks to be obtained via the API. Just add a new enum.

src/main/java/WayofTime/bloodmagic/block/BlockCrystal.java

@@ -14,6 +14,7 @@ public class BlockCrystal extends BlockString
         super(Material.rock, names);
 
         setUnlocalizedName(Constants.Mod.MODID + ".crystal.");
+        setRegistryName(Constants.BloodMagicBlock.CRYSTAL.getRegName());
         setCreativeTab(BloodMagic.tabBloodMagic);
         setStepSound(soundTypeStone);
         setHardness(2.0F);