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

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  2970519... Revert "Don't wait a mandatory 2 seconds when resetting gre
  cee964e... Don't set list-visible unless the widget is visible
  161c403... Add user chooser to ui file
  efaa203... Add new api to ask when chooser widget is done loading item
  21e1225... Create session settings object up front
  e7e4dd2... disconnect signal handlers in destroy session
  35e3d91... Introduce new Conversation object
  409a743... Rename session worker to the service it's managing
  5d14475... Make greeter/autologin session explicitly request PAM conve
  7069de0... Store multiple conversations in the session
  6a42f93... Return a different error code for "service won't work" than
  5e67f31... Emit "service-unavailable" from session when pam service re
  ab80e26... Bubble service-unavailable up to greeter
  8efbb44... Catch service-unavailable from server in client and propaga
  edfc112... Queue a greeter reset when the user clicks cancel
  d606009... Don't delay login for passwd -d users
  f9bba97... Add a plugin based extension system to greeter
  099cea2... squash with password
  890ff4a... task list fix
  5a174fe... Show cancel button after first message
  130eb2b... Prevent start session signal handler from getting called mu
  11654ce... Add fingerprint plugin
  742833e... Add smartcard plugin
  9fb42b9... squash with smartcard
  dce7259... When one PAM conversation wins, stop the others
  0e1bbc5... KILL stuck processes if they don't die on TERM
  4873cbd... Drop the other hiding stuff for now.
  5cb404a... add better debug spew (needs squash)
  ef33fb8... switch to proper mode when going to timed login
  54c8d04... Drop "Cancelling" message for plugin initiated cancels
  017f776... drop code for label that doesn't exist anymore
  309db59... Add delay when showing messages (needs split)
  eea1230... Drop cancelling message
  1ed8246... manage tasks outside of task list
  42307ce... hide task actions more aggressively