set cache in url
add feed url enter to video/audio
Merge branch 'master' of github.com:opps/opps-multimedias

* 'master' of github.com:opps/opps-multimedias:
  Getting tags as a split-ed, striped list
  Joining "," on tags
  Fix hardcoded tag getting settings OPPS_MULTIMEDIAS_DEFAULT_TAGS
  Fix UnboundLocalError on try.
  Fix tags field on upload
  Add mo files in gitignore
  Fix locales
  New get_all_channel proposal
  refactor opps editor select button
  Add new assignment tag get_multimedias
  Add PublishableManager on Video and Audio models