Apply new item textures

src/main/java/com/raoulvdberge/refinedstorage/item/ItemUpgrade.java

@@ -36,6 +36,11 @@ public class ItemUpgrade extends ItemBase {
         setMaxStackSize(1);
     }
 
+    @Override
+    public boolean hasEffect(ItemStack stack) {
+        return stack.getMetadata() == TYPE_SILK_TOUCH || stack.getMetadata() == TYPE_FORTUNE;
+    }
+
     @Override
     @SideOnly(Side.CLIENT)
     public void addInformation(ItemStack stack, EntityPlayer playerIn, List<String> tooltip, boolean advanced) {