- remove xfce environment functions and use glib
- add shutdown/reboot functionality for systemd
- fix logic of the --fast action
- bump copyright year
- store the child watch id to avoid possible double free
- use the async spawn function of glib
- autotools updates
- remove gnome-keyring remains
- handle multiple interactive session save
- translation updates
- remove obsolete xfce4-session-avoid-possible-double-free.patch,
xfce4-session-handle-multiple-interactive-session-save.patch
OBS-URL: https://build.opensuse.org/package/show/X11:xfce/xfce4-session?expand=0&rev=109