Apple has updated its Remote application for the iPhone and iPod touch to version 1.3. In addition to its prior functionality as an iTunes and limited Apple TV remote, the new version allows users to control their Apple TV’s menus via a new “Control” menu, that turns the iPhone or iPod touch into a multi-touch remote control, resembling the trackpads of current-model MacBook Pro computers. Remote 1.3 is available now as a free download…