[gdm] (9 commits) Created branch wip/wayland-take-2

[Jasper St. Pierre <jstpierre src gnome org>]

The branch 'wip/wayland-take-2' was created.

Summary of new commits:

  db73f2d... Revert "manager: Don't reuse the same X server when we have
  2bc6ced... session: Introduce the concept of the "display server mode"
  7556e6c... manager: Don't reuse the same X server when we have a displ
  f592201... session-worker: Implement support for the different display
  20c1114... Add wayland-sessions
  129a76d... session: Add a simple and naive way to detect Wayland sessi
  c16d3c9... session: Wayland sessions bypass Xsession
  ee09212... session: Wayland sessions are vt-unaware
  3c0ca1a... session: Reset immediately on cancel