Expecting a new Apple TV under the tree this Christmas? With the latest Apple TV software you can now set it up in a flash right form your iPhone, iPad, or iPod touch. All you need is to have a recent device running iOS 7 in close proximity. Plug in the new Apple TV and once the initial setup screen appears, simply unlock your device, enable Bluetooth, and place the iPhone within about a foot or so of your Apple TV. You’ll see a prompt on the…