popularity package context on fedora

[Bill Nottingham]

Ricky Zhou (ricky at fedoraproject.org) said: 
> > Of course, this does not say 'how many computers out there have package
> > X'. Maybe it fails and one needs to download a package twice and so on.
> > But I think this would be a first great approximation.
>
> I don't think yum requests packages specifically from mirrormanager.  It
> gets a mirror URL from mirrormanager, then downloads everything else
> directly from the mirror that it gets back.

Ricky's analysis is correct. Mirrormanager logs only tell us what
version/arch someone is looking for, not what packages.

Bill