Major changes in 3.19.3:
- Port to grilo 0.3.0
- Add a shortcuts help window
- Use new grl-video-title-parsing plugin
- Move controls OSD to the bottom of the screen
- Fix fullscreen toolbar not appearing in Wayland
- Add Ctrl+W to quit
- Add man page for totem-audio-preview
- Fix GSettings changing on startup
- A number of deprecation warning fixes