version 3.13.1
  - Updated POTFILES.in
  - Use a traditional title bar when requested
    Not all environments desire header bars. We use the
    'gtk-shell-shows-menubar' setting to decide whether to use the header
    bar.
    https://bugzilla.gnome.org/show_bug.cgi?id=728866
  - Use avatar chooser headerbar only when requested
    Use headerbar in the avatar chooser dialog only when necessary according
    to the "gtk-shell-shows-menubar" setting.
    https://bugzilla.gnome.org/show_bug.cgi?id=728866
  - Rename desktop file and set DBusActivatable=true
    Rename AppData and GResource XML in line with desktop file changes.
  - Add D-Bus service file
    Allow the application to be D-Bus activated by running with the
    --gapplication-service argument.
  - Remove old maintainers from DOAP file
  - Stop the running action when an error occurs
    https://bugzilla.gnome.org/show_bug.cgi?id=707386
  - Inhibit user switching and session idle
    As recording video from a webcam is undesirable when combined with
    switching users, inhibit switching and session idling.
    https://bugzilla.gnome.org/show_bug.cgi?id=694214
  - Depend on Automake 1.12 for test-driver support
    https://bugzilla.gnome.org/show_bug.cgi?id=710420