Re: [newui] Improve network requirement checking and fix a bug.

[Chris Lumens <clumens redhat com>]

> This is a slightly expanded version of the patches to fix DVD repo
> setup with no network. I noticed that the packages property had the
> same problem as groups, so I refactored the pieces of the test into
> properties of the base Payload class since it all just operates on
> ksdata Repo instances.

These both look good.  I still need to test my _resetMethod replacement,
but I'll get to that in a bit.

- Chris