[gdm] (34 commits) Created branch multi-stack

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  f7d2b3e... Revert "Don't wait a mandatory 2 seconds when resetting gre
  fbf8627... Don't set list-visible unless the widget is visible
  90d0a15... Add user chooser to ui file
  450c5e7... Add new api to ask when chooser widget is done loading item
  794b3df... Create session settings object up front
  191e601... disconnect signal handlers in destroy session
  d765b90... Introduce new Conversation object
  37344a3... Rename session worker to the service it's managing
  4e72956... Make greeter/autologin session explicitly request PAM conve
  cb88bae... Store multiple conversations in the session
  12c545e... Return a different error code for "service won't work" than
  e19cd77... Emit "service-unavailable" from session when pam service re
  0c423df... Bubble service-unavailable up to greeter
  3bc5798... Catch service-unavailable from server in client and propaga
  02c136a... Queue a greeter reset when the user clicks cancel
  767bf49... Don't delay login for passwd -d users
  e53e60a... Add a plugin based extension system to greeter
  a97c6bd... squash with password
  396ae08... task list fix
  6dfe9ce... Show cancel button after first message
  699f426... Prevent start session signal handler from getting called mu
  127a965... Add fingerprint plugin
  e377e27... Add smartcard plugin
  52586f8... squash with smartcard
  ff8a0c3... When one PAM conversation wins, stop the others
  d24d158... KILL stuck processes if they don't die on TERM
  3dbbc2d... add better debug spew (needs squash)
  8877303... switch to proper mode when going to timed login
  d85bcf6... Drop "Cancelling" message for plugin initiated cancels
  aa4d38a... drop code for label that doesn't exist anymore
  e05412f... Add delay when showing messages (needs split)
  37119c0... Drop cancelling message
  1932eb6... manage tasks outside of task list
  80cdd8a... hide task actions more aggressively