rgw: can list regions, show default region info

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>
rgw: set region info, default region

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

Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>
rgw: fix json decoding of rgw_bucket

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