ci: build even if no change
ci: build even if no change

Some commit might not change anything in ceph-releases/* and commiter
might forget to use the option to skip a CI build. In this case, we
decide to build jewel ubuntu 14.04 anyway.

Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

rootfs/ceph-docker,mkkie/ceph-docker,ceph/ceph-docker,JrCs/ceph-docker,JrCs/ceph-docker,osixia/ceph-docker,AcalephStorage/ceph-docker,JrCs/ceph-docker,AcalephStorage/ceph-docker,rootfs/ceph-docker,cdxvirt/ceph-docker,osixia/ceph-docker,osixia/ceph-docker,AcalephStorage/ceph-docker,cdxvirt/ceph-docker,mkkie/ceph-docker,ceph/ceph-docker