Ensure that all repos are configured properly
Ensure that all repos are configured properly

It appears that yum-config-manager does not properly
configure all the repositories reliably when trying
to give it a bunch of them to do at once.

This patch sets each repo to be enabled and have the
priority set one at a time.

Change-Id: Ia1dbd488611c5284edd7c3965a04acb805ebb67c

openstack/openstack-ansible-openstack_hosts,openstack/openstack-ansible-openstack_hosts