FIX: Various omxplayer fixes

- Better synchronization with the player upon `play` request - wait until the play started event is received before returning the status

- DBus exceptions should be caught and handled in the status call
4 jobs for master in 5 minutes and 23 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Build
passed sync-to-github #295

00:00:11

 
  Test
passed run-tests #296

00:00:24

 
  Deploy
passed rebuild-docs #297

00:04:25

passed update-aur-packages #298

00:00:21