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

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  bfe2365... Revert "Don't wait a mandatory 2 seconds when resetting gre
  7ced60d... Don't set list-visible unless the widget is visible
  686cfe7... Add user chooser to ui file
  e2b84e6... Add new api to ask when chooser widget is done loading item
  19f1403... Create session settings object up front
  0c706f2... disconnect signal handlers in destroy session
  fc8e33d... Introduce new Conversation object
  d88e3d3... Rename session worker to the service it's managing
  267162d... Make greeter/autologin session explicitly request PAM conve
  9c4dda8... Store multiple conversations in the session
  d230a78... Return a different error code for "service won't work" than
  440f428... Emit "service-unavailable" from session when pam service re
  633789a... Bubble service-unavailable up to greeter
  cd3fdb4... Catch service-unavailable from server in client and propaga
  1887757... Queue a greeter reset when the user clicks cancel
  6a1a72c... Don't delay login for passwd -d users
  1c3b63a... Add a plugin based extension system to greeter
  a298f20... squash with password
  c0eb496... task list fix
  d2dec66... Show cancel button after first message
  649f3dd... Prevent start session signal handler from getting called mu
  9654295... Add fingerprint plugin
  516c35f... Add smartcard plugin
  4263f7a... squash with smartcard
  6a624b8... When one PAM conversation wins, stop the others
  85885ea... KILL stuck processes if they don't die on TERM
  137e48e... Drop the other hiding stuff for now.
  c1e486c... add better debug spew (needs squash)
  2f107f6... switch to proper mode when going to timed login
  eaea522... Drop "Cancelling" message for plugin initiated cancels
  dfed649... drop code for label that doesn't exist anymore
  5d9d291... Add delay when showing messages (needs split)
  1e97652... Drop cancelling message
  8ff09c4... manage tasks outside of task list
  212f47d... hide task actions more aggressively