Support 'rawhide' as Fedora version
Support 'rawhide' as Fedora version

Works the same as an unknown-but-higher int represented version, and
just assumes to be handling the latest-known version of Fedora.

ndonegan/oz,clalancette/oz,imcleod/oz,imcleod/oz,nullr0ute/oz,ndonegan/oz,clalancette/oz,nullr0ute/oz