[gdm] (20 commits) Created branch wip/initial-setup2

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/initial-setup2' was created.

Summary of new commits:

  e98e556... Initial work towards alternative welcome sessions
  e3215ed... Slave: add a marker file to request initial-setup
  30c44a3... Slave: First attempt at running setup as a separate user
  15b6b81... Prototype of a initial-setup application
  ffe3734... Bump required versions of GLib, GTK+, AccountsService
  f2de5bd... Add new files to POTFILES.in
  9bb7067... Add applications for the setup session
  af2122f... Add a separate .session file for the setup session
  146b81f... Add a .pkla file for use during setup
  59b58d3... initial-setup: get on session bus
  fcd23b4... initial-setup: connect to slave very early on
  9916cae... initial-setup: perform copy from main loop
  f9e8fb8... initial-setup: add prefill-username code from control-cente
  121ddb9... initial-setup: Misc cleanups
  e39f3ce...     initial-setup: Use ActUserManager api to create the use
  261732f... initial-setup: call StartSessionWhenReady after BeginAutoLo
  169c53b... initial-setup: Implement the online accounts page
  5b87c6f... Remove debugging ifdef
  44511bd... Port gdm-initial-setup to timedated
  1b0068d... Fix account button aligment