[gdm] (22 commits) Created branch multi-stack

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  3599108... Don't set list-visible unless the widget is visible
  8c32576... Add user chooser to ui file
  4ad19ff... Add new api to ask when chooser widget is done loading item
  cc32a00... Create session settings object up front
  eba8212... Introduce new Conversation object
  45788a3... Rename session worker to the service it's managing
  f1ea71b... Make greeter/autologin session explicitly request PAM conve
  1209ec0... Store multiple conversations in the session
  b5e4f8e... Return a different error code for "service won't work" than
  47fe71c... Emit "service-unavailable" from session when pam service re
  ba7abc2... Bubble service-unavailable up to greeter
  0f7d491... Catch service-unavailable from server in client and propaga
  6ef9d26... Queue a greeter reset when the user clicks cancel
  1ef8a8e... Don't delay login for passwd -d users
  46495c1... Add a plugin based extension system to greeter
  0af5904... Show cancel button after first message
  69fd9fb... Prevent start session signal handler from getting called mu
  6c73fc6... Add fingerprint plugin
  174aefc... Add smartcard plugin
  b4fe614... When one PAM conversation wins, stop the others
  09cd110... KILL pam stack instead of TERM pam stack
  f45b091... Drop the other hiding stuff for now.