RFC: changing versioning of fedora-release in rawhide

[Bill Nottingham]

Jeremy Katz (katzj at redhat.com) said: 
> Realistically, you probably want the simple stupid plugin to allow you
> to set the release version if you go this route.  But at the same time,
> I don't think that the route of switching streams often is really a case
> that you optimize for.

Moreover, if you do the $releasever redirect hack, someone who has
updates/updates-testing either gets errors or the same repo three times.

Bill