Added ceph manifests to rjil.

rjil::ceph
  This class Install ceph and does basic configuration,
    which need to be added for both ceph servers and clients

rjil::ceph::mon
  This class setup ceph mon - this only need to be call on ceph mon nodes

rjil::ceph::osd
  This class setup ceph osds.

Added appropriate hiera entries in common.yaml.
you only need to do this for classes. Resource (regular and defined) will automatically be anchored into the class