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

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  bfe8219... Revert "Don't wait a mandatory 2 seconds when resetting gre
  f9fb5f6... Don't set list-visible unless the widget is visible
  8723117... Add user chooser to ui file
  5b38497... Add new api to ask when chooser widget is done loading item
  2847843... Create session settings object up front
  d22a6da... disconnect signal handlers in destroy session
  b16c63a... Introduce new Conversation object
  16e0827... Rename session worker to the service it's managing
  cf7b821... Make greeter/autologin session explicitly request PAM conve
  3175d2a... Store multiple conversations in the session
  4234b61... Return a different error code for "service won't work" than
  2647bdf... Emit "service-unavailable" from session when pam service re
  00dcd64... Bubble service-unavailable up to greeter
  9494ef0... Catch service-unavailable from server in client and propaga
  cabbd65... Queue a greeter reset when the user clicks cancel
  2aa8d60... Don't delay login for passwd -d users
  4f2908a... Add a plugin based extension system to greeter
  8b0c7fb... squash with password
  8aaa69f... task list fix
  ab1ee02... Show cancel button after first message
  20da8b8... Prevent start session signal handler from getting called mu
  2645ecc... Add fingerprint plugin
  d197aa8... Add smartcard plugin
  82fbee2... squash with smartcard
  7e8cb86... When one PAM conversation wins, stop the others
  01c711f... KILL stuck processes if they don't die on TERM
  ea0473d... add better debug spew (needs squash)
  e8dffd5... switch to proper mode when going to timed login
  3136232... Drop "Cancelling" message for plugin initiated cancels
  878951b... drop code for label that doesn't exist anymore
  8fca2ce... Add delay when showing messages (needs split)
  5a300c3... Drop cancelling message
  203cf68... manage tasks outside of task list
  73a39fd... hide task actions more aggressively
  58e5e72... smartcard: don't show extension if disabled in authconfig