common/ceph_parser.cc: cleanup

remove extra logging to stdout

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>
rgw: zone list, setup changes

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>
rgw: get/set region map

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>