2.23.4:
* Remove gnome-vfs requirements, all over
* Better help output when wrong arguments are passed
* Automatically remove files from the playlist when they've been
  removed from the filesystem
* Bug fixes for build on MacOS X with native GTK+
* Always use files on fuse when available
* Plenty of small bug fixes

* Thumbnailer:
  - When a file contains cover art, use the art as the thumbnail

* Web browser plugin:
  - Remove mozilla specific requirements
  - Show stream titles in fullscreen
  - Add double-click -> fullscreen
  - Hide controls by default in the Cone (VLC) plugin
  - Implement Playlist::isplaying for Cone

* Plugins:
  - Remove need to configure the MythTV plugin, use UPNP instead
  - Add a progress bar to the YouTube plugin
  - Add support for high-res YouTube videos
  - Use ~/.local/share/totem/plugins/ for user-plugins