[gdm] (35 commits) Created branch multi-stack

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  1a8f153... Revert "Don't wait a mandatory 2 seconds when resetting gre
  1538a18... Don't set list-visible unless the widget is visible
  35e2c60... Add user chooser to ui file
  863ef39... Add new api to ask when chooser widget is done loading item
  50929cd... Create session settings object up front
  7c5bd81... disconnect signal handlers in destroy session
  71c371f... Introduce new Conversation object
  24794ee... Rename session worker to the service it's managing
  2719a32... Make greeter/autologin session explicitly request PAM conve
  7a11766... Store multiple conversations in the session
  afa1b73... Return a different error code for "service won't work" than
  6d6dfbd... Emit "service-unavailable" from session when pam service re
  d828346... Bubble service-unavailable up to greeter
  330592f... Catch service-unavailable from server in client and propaga
  7768021... Queue a greeter reset when the user clicks cancel
  4874b7a... Don't delay login for passwd -d users
  55d49cc... Add a plugin based extension system to greeter
  8550523... squash with password
  bb31f16... task list fix
  4902b18... Show cancel button after first message
  626e4b4... Prevent start session signal handler from getting called mu
  fecee60... Add fingerprint plugin
  440055f... Add smartcard plugin
  b7f8fa1... squash with smartcard
  96db16e... When one PAM conversation wins, stop the others
  920d71b... KILL stuck processes if they don't die on TERM
  34dc971... add better debug spew (needs squash)
  c6e70b1... switch to proper mode when going to timed login
  c49e4e4... Drop "Cancelling" message for plugin initiated cancels
  7c67d09... drop code for label that doesn't exist anymore
  2ad1e9e... Add delay when showing messages (needs split)
  bdc3b20... Drop cancelling message
  b893801... manage tasks outside of task list
  bed394c... hide task actions more aggressively
  d919716... smartcard: don't show extension if disabled in authconfig