The last time Kent Young built a company that developed game content for slot machine makers, he took the slow-and-steady approach of an entrepreneur who is pulling himself up by his bootstraps.This time around, he's barreling down the track like a top-fuel dragster at the Winternationals.Young's newest company, Spin Games Inc., took a big step last week with its announcement of a strategic partnership with Reno-based Leap Forward Gaming Inc.Leap Forward, founded a couple of years ago by longtime International Game Technology executive Ali Saffari, is making a name for itself with wireless networks that allow casino operators to link …