Ask a Sonos listener about flaws in the Controller app and you'll often hear about three sticking points: favorites buried in separate sections, the absence of an official Android widget and an iOS version that still isn't optimized for the iPhone 5. As of Tuesday, the company is cleaning house by curing all three hiccups at once. A new software update puts a source-independent Sonos Favorites section at the top of the menu system; Android users now have a playback widget to quickly skip tracks, and the i