[gdm] (23 commits) Created branch multi-stack

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  9fc8b41... po: add session file to POTFILES.skip
  a19bd13... configure: bump version to 2.91.94
  c0a8bf3... NEWS: update for release
  e08d000... Revert "Don't wait a mandatory 2 seconds when resetting gre
  15d20a6... Add new api to ask when chooser widget is done loading item
  950454a... Introduce new Conversation object
  136cceb... Rename session worker to the service it's managing
  8170e2d... Make greeter/autologin session explicitly request PAM conve
  be38e34... Store multiple conversations in the session
  c0cf200... Don't delay login for passwd -d users
  cd734d4... Emit "service-unavailable" from session when pam service re
  25977dd... Bubble service-unavailable up to greeter
  5d43c93... Catch service-unavailable from server in client and propaga
  c1964d6... Add a plugin based extension system to greeter
  3019c4b... Add fingerprint plugin
  286a7a3... Add smartcard plugin
  5944a6d... KILL stuck processes if they don't die on TERM
  f745d04... switch to proper mode when going to timed login
  989a304... Drop "Cancelling" message for plugin initiated cancels
  59a49f2... Add delay when showing messages (needs split)
  7c18fc7... Drop cancelling message
  7b80018... manage tasks outside of task list
  e787f3b... smartcard: don't show extension if disabled in authconfig