Single omxplayer prints duration to log file #14

Remove 2nd instance of omxplayer that only printed duration info into log.
Redirect stderr to log - use fd 2 for logfile - at startup,
so omxplayer's stderr goes there automatically.
omxd S reads duration in new format from log #14
Merge branch 'popcorn'

* popcorn:
  omxd S reads duration in new format from log #14
  Single omxplayer prints duration to log file #14