title: iOS 7 - no provisioned ios devices are available
body: <p>I have installed iOS 7 on my iPhone 5 and the Beta Version of Xcode 5 on my mac.</p>
  
  <p>When I want to run an app on my iPhone, Xcode says:</p>
  
  <p>"no provisioned ios devices are available with a compatible iOS version"</p>
  
  <p>What went wrong?</p>