[gnome-session] (15 commits) Created branch wip/cleanups

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/cleanups' was created.

Summary of new commits:

  fded4d4... Don't initialize gtk in gnome-session-quit
  752cbd7... Use zenity for init errors
  8a0a610... Move gsm_util_get_computer_fail_icon_size where it is used
  482f1fe... Use gnome-session-quit to log out from the fail whale
  41ca62e... Don't store the extensions object
  4473245... Make the fail whale a separate program
  acf70d2... Add some padding to the fallback inhibit dialog
  940cbe6... Make the fallback end session dialog a separate program
  8528f13... Hook the separate end session dialog up
  1dfa676... Drop GsmLogoutDialog
  d20ab05... Add D-Bus service file for the end session dialog
  2106ad2... Drop the fallback dialog
  47a92df... Drop an unnecessary include
  d4521f2... Replace EggDesktopFile by GDesktopAppInfo in the inhibit di
  b84836d... Drop use of EggDesktopfile in GsmAutostartApp