[PRD-1552] Enable and configure rados-gw

distroize manafests
remove dupe declrations
enable ceph::keystone and ceph::radosgw for monitor roles
add service for radosgw
add service for ceph
move libnss to init.pp
move file /etc/ceph/nss to init.pp
fix keystone_endpoint region
move rados ceph_conf parts to radosgw
add paramater for enable and use_ssl for radosgw and keystone