The continuous release centos repo allows
for early testing against pre-released rpms
and updates to minor releases. This is
quite handy when trying to prevent jobs from
going down when CentOS is updated.
https://wiki.centos.org/AdditionalResources/Repositories/CR
Related-Bug: #1788675
Closes-Bug: #1789218
Change-Id: I56e346376976f890899de0cfb47b0612fa5fbb84