title: Getting error in watch app installation - application install failed: Invalid Application Stub
body: <p>I am getting following error in system console while installing watch app on device.
  "application install failed: Invalid Application Stub"</p>
  
  <p>Watchkit extesion and watch app deplyment target is set iOS 8.2.
  I have also matched project setting to "watchkit project configuration reference"</p>