[gdm-list] Patches for multi-seat and multi-display support

[Halton Huo <Halton Huo Sun COM>]

Hi,

Here comes the patches for multi-seat and multi-display support, please
review:

* https://bugs.freedesktop.org/attachment.cgi?id=24683
  ConsoleKit part based on ConsoleKit-0.3.0 tarball release
* http://bugzilla.gnome.org/attachment.cgi?id=132400
  GDM part based on gdm-2.26.0 tarball release

I've done several tests on Solaris and Linux(Ubuntu). So far so good.

References
-----------
[1] Design document:
http://wiki.genunix.org/wiki/index.php/design_for_newgdm_consolekit_multiseat_multidisplay

[2] Test report:
http://wiki.genunix.org/wiki/index.php/testing_for_newgdm_consolekit_multiseat_multidisplay

[3] ConsoleKit bug:
https://bugs.freedesktop.org/show_bug.cgi?id=19333

[4] GDM bug:
http://bugzilla.gnome.org/show_bug.cgi?id=536355

Thanks,
Halton.