Overhauled loot generation

Dimensional dungeon loot chests are now registered with Forge. Other
mods can tap into our chests and our own generation is cleaner. The list
of items in our chests is generated in DDLoot.

StevenDimDoors/mod_pocketDim/mod_pocketDim.java

@@ -395,6 +395,9 @@ public class mod_pocketDim
 
 		proxy.loadTextures();
 		proxy.registerRenderers();
+		
+		//Register loot chests
+		DDLoot.registerInfo();
 	}