Miro 3.0.1

* Bug fixes

- #13164 (all) errant empty feed
- #13173 (Linux) playbin2 with no text-sink kicks up errors on playback
- #13105 (Linux and Windows) No menu bar in main window when pop-out player is in fullscreen
- #12876 (OS X) in _updateErrback UnicodeEncodeError?: 'ascii' codec can't encode character
- #13120 (OS X) embedded python executable is launched with a -p argument which it does not understand, so it complains and dies.
- #12906 (Windows) parent_id points to item where isContainerItem is false

* Updated translations