Video source settings skeleton on debug view
Video on GCSMapViewController respects videosource

- Wire up kxmovie on GCSMapVC to respect NSUsersDefaults
  set by Video Source UISegmentedControl on DebugVC.
  Caveat - must remove app from background for cold start
  for after switching video source from the debug UI.
Merge pull request #6 from cnatoli/simple-video-source-ui

Simple video source ui in debug tab