[gdm] (14 commits) Non-fast-forward update to branch wip/wayland-for-merge

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

The branch 'wip/wayland-for-merge' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  e340b2c... server: Move Init script processing here
  e1b1143... session-worker: Move PostLogin / PreSession / PostSession h
  90fc57d... Integrate the slaves into the main daemon process
  e71630b... display: Enforce a few invariants
  d20848e... display: Remove some unnecessary parts from dispose
  207ab5d... display: Clean up old signal handlers
  363a7f8... manager: Make migrated a special case when starting the ses
  73a871b... manager: Rename the "user session" or "session" to the "see
  5270763... manager: Don't reuse the same X server when we have a displ
  95364e4... session-worker: Allocate a new VT for sessions with their o
  501533a... Add wayland-sessions
  82a04c1... session: Add a simple and naive way to detect Wayland sessi
  b832144... session: Wayland sessions bypass Xsession
  ba2ef85... session: Wayland sessions have their own display server

Commits added to the branch:

  e4e573b... server: Move Init script processing here
  2d78d21... session-worker: Move PostLogin / PreSession / PostSession h
  430231e... Integrate the slaves into the main daemon process
  b6ef8b4... display: Enforce a few invariants
  0445aea... display: Remove some unnecessary parts from dispose
  92b994f... display: Clean up old signal handlers
  3059d16... manager: Make migrated a special case when starting the ses
  b65f77f... manager: Rename the "user session" or "session" to the "see
  9a76407... manager: Don't reuse the same X server when we have a displ
  3c7532b... session-worker: Allocate a new VT for sessions with their o
  1b5eb1a... Add wayland-sessions
  6db6f56... session: Add a simple and naive way to detect Wayland sessi
  97d5320... session: Wayland sessions bypass Xsession
  ae2111a... session: Wayland sessions have their own display server