[packagekit] Doing the GPG auth dance

[Richard Hughes]

On Wed, 2008-04-16 at 10:30 +0200, Stefan Haas wrote:
> This sounds sane. Available status of an eula_id should be "accepted, 
> declined, not_set".

I've added these methods, and added them to the GNOME tools too. See the
dummy backend on how to check if the EULA has been pre-agreed. I've not
added any code in the gnome tools to store this per-session, that
remains on the TODO.

Richard.