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/item/soul/ItemSoulSnare.java

@@ -24,6 +24,7 @@ public class ItemSoulSnare extends Item
         super();
 
         setUnlocalizedName(Constants.Mod.MODID + ".soulSnare.");
+        setRegistryName(Constants.BloodMagicItem.SOUL_SNARE.getRegName());
         setCreativeTab(BloodMagic.tabBloodMagic);
         setHasSubtypes(true);
         setMaxStackSize(16);