Nova-baremetal support for openSUSE

Restrict package hacks to Fedora, they're not necessary
on openSUSE. Remove extranous chown nova:nova in dnsmasq
startup, the nova-baremetal scripts already take care of
that (and do it with the correct user for openSUSE)

Change-Id: I59e0553460be8a8e1f075be6eba375b77f6b5523
Merge "Nova-baremetal support for openSUSE"