If you’re setting up your Apple TV for AirPlay use in a business or school environment, or simply have a lot of different friends over connecting up to it with their iOS devices, there’s a useful new feature in Apple TV 6.0 that allows you to display AirPlay connection instructions overlaid on the screen saver. The feature is called Conference Room Display, and can be found under Settings, AirPlay. By default it simply displays the Wi-Fi…