NEVER ENOUGH L.A. Guns plays a torrid set at the Whisky at the annual Sunset Strip Music Festival, and Puddle of Mudd and Graham Bonnet kick some ass, too By Gerry Gittelson Metal Sludge Editor at Large   HOLLYWOOD — With Jane’s Addiction the outdoor headliner Saturday in addition to a bunch of avant garde-style bands, the annual Sunset Strip Music Festival had an alternative feel this year, though the celebration was as[…]