[gdm] Created tag 3.22.2

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.22.2' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Wed Mar 1 16:26:41 2017 -0500

    3.22.2
    
    - Fix book keeping of display name in some cases
    - wayland fix
    - xdmcp logout fix
    - add knob to go back to running Xorg as root

Changes since the last tag '3.22.1':

Mathias Reck (1):
      daemon: update X11DisplayName on register display

Ray Strode (11):
      manager: make sure we retain ignore-wayland on second login
      display: close X11 connection
      display: port GdmDisplay to xcb
      xdmcp-display-factory: notify remote display when session ended
      worker: kill process group when session exits
      slave: kill off clients from display when finished
      gdm-{wayland,x}-session: fix empty string check on import environment
      gdm-session: change how session search path is computed
      daemon: add knob to disable starting X server as user
      NEWS: update for release
      configure: bump to 3.22.2