[packagekit] Add-on Media

[Richard Hughes]

On Wed, 2008-10-08 at 14:49 +0530, Rahul Sundaram wrote:
> A CD of third party packages which might depend on updated versions of
> packages in the base distribution.

I've spent about half a day getting pkgenpack working properly,
refactoring code and fixing bugs.

The manpage is also a little bit clearer, and the arguments a little bit
more standard.

Testers welcome. :-)

Richard.