Concurrent with yesterday’s major release of iOS 5 for the iPhone, iPad and iPod touch, Apple also quietly rolled out Apple TV Software Update 4.4. In addition to the expected support for the new iOS 5 AirPlay Mirroring and iCloud features, the update arrived with a few other nice surprises as well, with an additional new subscription-based sports service for hockey fans, a news video service, and some more new slideshow themes all showing up…