Rename and move the update packages playbook.
Tag badges/backend with the full role name for consistency.
Remove fedmsg/sqlalchemy hotfix for badges-backend.  Not needed as we're on el7 now.
Add the nrpe and collectd users to the fedmsg group to simplify our /var/run/fedmsg permissions.
Tags, and compare strings.
There is no collectd user.
Also, do this the other way around.