PolicyKit-gnome provides an Authentication Agent for PolicyKit that
integrates well with the GNOME desktop environment
See http://www.freedesktop.org/wiki/Software/PolicyKit for lots of
documentation, mailing lists, etc. about PolicyKit.
See also the file HACKING for notes of interest to developers working
on PolicyKit-gnome.
Report bugs against PolicyKit-gnome at the GNOME bugzilla
http://bugzilla.gnome.org/
against the policykit-gnome product.