Saw something posted on Rivers' page a bit ago that "Hang On" was being remixed. Does this mean it may be the next single? It's probably my favorite track from Hurley, although "Trainwrecks" gives it some competition.I'm curious as to what will be touched up. I really liked the layered sound of the album version, but I'm hoping a few things (compression on cymbals/drums, Beff's lead vocal at the…