Fix chiseled glowstone metadata for Matter Manipulator copying (#106)

src/main/java/team/chisel/block/BlockCarvableGlowstone.java

@@ -33,6 +33,11 @@ public class BlockCarvableGlowstone extends BlockCarvable {
         return 0;
     }
 
+    @Override
+    public int getDamageValue(World world, int x, int y, int z) {
+        return world.getBlockMetadata(x, y, z);
+    }
+
     @Override
     public ItemStack getPickBlock(MovingObjectPosition target, World world, int x, int y, int z, EntityPlayer player) {
         Block glowstone = world.getBlock(x, y, z);