PackageKit Ports

[Anders F Björklund]

I've backported the PackageKit 0.5.x backend to 0.4.x,
and made some ports for it and the GNOME/KDE frontends.

As described earlier, it uses portupgrade and portaudit
and compiles binary packages from source ports if needed.

http://afb.users.sourceforge.net/packagekit/

Hopefully this will go into PackageKit 0.4.10, for use
while waiting for required PolicyKit/DeviceKit support.

Besides some (unused) differences in API, the backend is
identical to the one in the latest PackageKit (0.5.2).

Feedback appreciated, maintainer didn't respond.

--anders