Ceph should never be deployed with an even number of monitors.

Signed-off-by: JuanJose 'JJ' Galvez <jj.galvez@inktank.com>
Secrets and the fsid should be automatically generated.
The included patches do the following:

* Remove hardcoded values
* Generates a UUID for the fsid
* Generates the values for monitor and admin secret.

These values are created at the time the proposal is created.

Signed-off-by: JuanJose 'JJ' Galvez <jj.galvez@inktank.com>
Merge branch 'release/roxy/master' into feature/wip-ceph-autogen/master
Merge branch 'pull-req-release-roxy-master-5458bf315d94064341d4731918096a43df5e57ae' of https://github.com/jgalvez/barclamp-ceph into release/roxy/master