Fix Ceph repo URL / Add local repo for Ceph

In MCP, Decapod configuring the following repo:
https://github.com/Mirantis/ceph-lcm/blob/master/backend/common/decapod_common/configs/ceph-ansible-defaults.yaml#L27
In case of using local aptly repository we need to use .../jewel-xenial instead
of .../apt.

Change-Id: Id7ab39f72a409ea553e93c331d21c63c8c018e1e
2 files changed