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

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  fc18df5... Drop session "Open" in favor of "StartConversation"
  27046b3... Rename session worker to the service it's managing
  f0fb392... Make greeter explicitly request PAM conversation
  afa3a28... Store multiple conversations in the session
  88b954d... start autologin conversation when creating session if neces
  2530dd4... Propagate service name to more layers
  0c74308... emit "ConversationStopped" signal at end of conv
  2d2ab97... init session pid to -1
  2db3306... Don't tear down greeter until pam_open_session finishes
  e664e6b... Add limited support for multiple pam stacks
  a9e51e7... Create session settings object when first starting worker
  edcda1c... Queue a greeter reset when the user clicks cancel
  cd2e66d... Add a plugin based extension system to greeter
  c9aa2f3... Force session reset if all PAM conversations fail
  657716d... Add a way for plugins to pick users from list
  1ba14ea... Add new api to ask when chooser widget is done loading item
  018fbf0... Tell tasks they're ready only after user list loads
  fce0310... Add fingerprint plugin
  68aef76... Add start of a smartcard plugin
  6d44a63... Add a new "choosable" property to show tasks in user list
  41eccf3... Separate handling of non-users in user list from users
  21de4c2... Initiate smart card auth when clicking on it in list
  dd4ff16... Only show task list if user is selected
  1dc8162... Pull verification functions out into their own subroutines
  8f35746... Add new function find_task_with_service_name
  d9936a3... Notify plugins if their user choose requests fail
  688dfea... reset all conversations if password conversation fails
  7598b29... When one PAM conversation wins, stop the others
  f7aeeeb... When one PAM conv. wins, actually stop the others
  cc1ca35... KILL pam stack instead of TERM pam stack
  d41f66f... Don't show tasklist for autologin
  33a856b... Drop the other hiding stuff for now.
  2c39c0b... Prevent start session signal handler from getting called mu
  86f36a0... Don't show unimportant images on plugin buttons