SIS module permissions T201
fix error report
Merge branch 'master' of github.com:UniversityRadioYork/MyRadio

* 'master' of github.com:UniversityRadioYork/MyRadio:
  Fix it 'til it works.
  Factor out common code.
  Get current cover URL, if any.
  Add getCover (temporary implementation).
  Initial untested doSetCover.
  Don't require existing cover file.
  Rename to podcastid for consistency.
  Add hidden podcast field.
  Fill in basic form fields.
  Add stub do-controller for covers.
  podcastid, for consistency.
  Check for podcast_id, not podcast.