rgw: handle bucket removal by system user on master region

intra region bucket creation, deletion and copy object to and from remote regions validated

Signed-off-by: Babu Shanmugam <anbu@enovance.com>
Reviewed-by:Yehuda Sadeh <yehuda@inktank.com>
ceph-rest-api: Missing packaging (binary in .spec, manpage in both)

Signed-off-by: Dan Mick <dan.mick@inktank.com>