A+ for effort, but these instructions are actually far more complicated than the previous methods. I "patched" Candybar following the original tutorial in no more than 60 seconds and three steps. And I'm able to restore to the original Mavericks icons, if I so choose.
More power to you or anyone else, though, if this list of hoop-jumping helps them out. But the previous fixes seemed pretty idiot-proof to me.