Just in time for the return of everyone's favorite serial killer, Showtime Anytime soft-launched recently, bringing online access to the network's library of movies, TV shows and more. Multichannel News reports AT&T U-verse subscribers are the first to gain access, although this same content has already been streaming on Comcast's Xfinity TV website and app. It's no HBO Go yet -- more cable companies and a few mobile apps will be necessary to match its rival there -- but the a