[gdm] (49 commits) Created branch multi-stack

[Ray Strode <halfline src gnome org>]

The branch 'multi-stack' was created.

Summary of new commits:

  92a5609... Drop session "Open" in favor of "StartConversation"
  8516e66... Rename session worker to the service it's managing
  b3c168d... Make greeter explicitly request PAM conversation
  0fe56d4... Store multiple conversations in the session
  eed69f2... start autologin conversation when creating session if neces
  71332bb... Propagate service name to more layers
  bc4cdcc... emit "ConversationStopped" signal at end of conv
  2da8687... init session pid to -1
  efc5371... Don't tear down greeter until pam_open_session finishes
  a380ce9... Add limited support for multiple pam stacks
  7b61119... Create session settings object when first starting worker
  f908d03... Queue a greeter reset when the user clicks cancel
  775a32d... Add a plugin based extension system to greeter
  58281be... Force session reset if all PAM conversations fail
  d2e1f98... Add a way for plugins to pick users from list
  bd213dd... Add new api to ask when chooser widget is done loading item
  aa3ae5b... Tell tasks they're ready only after user list loads
  f7640b5... Add fingerprint plugin
  d727101... Add start of a smartcard plugin
  abba216... Add a new "choosable" property to show tasks in user list
  7ff0274... Separate handling of non-users in user list from users
  5471f0f... Initiate smart card auth when clicking on it in list
  9b1dd89... Only show task list if user is selected
  3902afb... Pull verification functions out into their own subroutines
  e32a388... Add new function find_task_with_service_name
  1d866e5... Notify plugins if their user choose requests fail
  96713ef... reset all conversations if password conversation fails
  3a5dd5f... When one PAM conversation wins, stop the others
  6a2b392... When one PAM conv. wins, actually stop the others
  142f6a9... KILL pam stack instead of TERM pam stack
  03166ed... Don't show tasklist for autologin
  f8561b2... Drop the other hiding stuff for now.
  a183557... Prevent start session signal handler from getting called mu
  258e9be... Don't show unimportant images on plugin buttons
  c860fc4... Add visibility concept to task iface
  3422e1d... adapt fingerprint to task iface
  7c1ab32... adapt smartcard plugin to task iface
  4380369... adapt password to task iface
  d28601e... Return a different error code for "service won't work" than
  1d4ed3a... Emit "service-unavailable" from session when pam service re
  0a51dba... Bubble service-unavailable up to greeter
  ebf9fce... Catch service-unavailable from server in client and propaga
  4e6491b... Fix memory handling of task in task list
  7a609b6... Add gdm_task_list_remove_task
  249388e... Remove task from task list if unavailable
  1a44c10... Don't add task to UI if it's invisible
  8bcb4b7... add lame check to see if fingerprint is enabled
  f289a1f... don't activate invisible tasks
  8144b99... Add lame check for smart card daemon