Update puppet-ceph to use stable/pike for jewel
Update puppet-ceph to use stable/pike for jewel

We have recently cut a release for the jewel version of the module which
is supported until Pike. The current master is going to be updated for
the next LTS of ceph so we need to test the pike modules on the jewel
branch.

Change-Id: I8fbe3b56b17d1db6f1d4cbaa37e338943470d56c

openstack-infra/project-config,openstack-infra/project-config