[packagekit] A new design update viewer

[Richard Hughes]

On Sat, 2008-01-05 at 07:49 -0500, James Bowes wrote:
> It might also be useful if we could work in some way with the summary
> page to let a user just install all security updates, for instance.

I've merged the new-look update viewer. Expect a few teething problems
but I think it's lots better than the old one. Please yell if you find
any problems or have any suggestions.

Thanks,

Richard.