Following up on its successful second-generation iPod shuffle mini dock IncipioBud, Incipio has released Hitch ($15), a portable dock for the second-generation iPod nano. As with IncipioBud, the concept behind Hitch is to provide iPod synchronization and charging capabilities in the most portable package possible. Consisting of two USB port-ready pieces, Hitch includes an iPod nano-to-USB dock and an extender pipe for USB ports that aren't as accessible…