[gdm] (20 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:

  804af85... server: Pull out common X server args
  6a5ac6c... server: Force server regeneration off
  8ca288e... Move gdm_slave_run_script to common code
  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

Commits added to the branch:

  7c1f1a0... daemon: Remove gdm-session-private.h (*)
  a8951d4... session: Remove a duplicate definition
  e87081c... server: Pull out common X server args
  714a57e... server: Force server regeneration off
  c45bc19... Move gdm_slave_run_script to common code
  c38c197... server: Move Init script processing here
  92f2f2d... session-worker: Move PostLogin / PreSession / PostSession h
  e35300c... Integrate the slaves into the main daemon process
  efbb53a... display: Enforce a few invariants
  609770e... display: Remove some unnecessary parts from dispose
  1003554... display: Clean up old signal handlers
  b819a74... manager: Make migrated a special case when starting the ses
  cd1da9e... manager: Rename the "user session" or "session" to the "see
  16b6619... manager: Don't reuse the same X server when we have a displ
  8b635e0... session-worker: Allocate a new VT for sessions with their o
  2dca7de... Add wayland-sessions
  31c4dfd... session: Add a simple and naive way to detect Wayland sessi
  ca395c5... session: Wayland sessions bypass Xsession
  1eefb3d... session: Wayland sessions have their own display server
  e47986c... session: Reset immediately on cancel

(*) This commit already existed in another branch; no separate mail sent