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

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  2ee1172... Revert "Don't wait a mandatory 2 seconds when resetting gre
  5eb1e0e... Don't set list-visible unless the widget is visible
  04327b6... Add user chooser to ui file
  bfe00e5... Add new api to ask when chooser widget is done loading item
  470493f... Create session settings object up front
  205889d... disconnect signal handlers in destroy session
  4da3c0e... Introduce new Conversation object
  771969e... Rename session worker to the service it's managing
  63c312e... Make greeter/autologin session explicitly request PAM conve
  9a22e67... Store multiple conversations in the session
  201ce09... Return a different error code for "service won't work" than
  aa3b9a3... Emit "service-unavailable" from session when pam service re
  7e5d5c6... Bubble service-unavailable up to greeter
  8c47f19... Catch service-unavailable from server in client and propaga
  30e4b74... Queue a greeter reset when the user clicks cancel
  e9b0ca2... Don't delay login for passwd -d users
  6ca9088... Add a plugin based extension system to greeter
  217e022... squash with password
  99c3dbf... task list fix
  dab8b62... Show cancel button after first message
  2b0d305... Prevent start session signal handler from getting called mu
  2c6efe8... Add fingerprint plugin
  425aedf... Add smartcard plugin
  2b33128... squash with smartcard
  0788280... When one PAM conversation wins, stop the others
  b5f27ad... KILL stuck processes if they don't die on TERM
  ceb37ad... add better debug spew (needs squash)
  f0e6178... switch to proper mode when going to timed login
  9b3dc6b... Drop "Cancelling" message for plugin initiated cancels
  410b4c9... drop code for label that doesn't exist anymore
  26e4410... Add delay when showing messages (needs split)
  2c74560... Drop cancelling message
  04203d4... manage tasks outside of task list
  6ca468c... hide task actions more aggressively
  4f0f372... smartcard: don't show extension if disabled in authconfig