radosgw-admin: test additional keys, log list/show/rm
radosgw-admin: test additional keys, log list/show/rm

Signed-off-by: Sage Weil <6dd34506bbd5e58221bbb3e4732d97c91f02277b@newdream.net>

michaelsevilla/teuthology,SUSE/teuthology,caibo2014/teuthology,dmick/teuthology,tchaikov/teuthology,zhouyuan/teuthology,caibo2014/teuthology,ivotron/teuthology,ceph/teuthology,t-miyamae/teuthology,yghannam/teuthology,dmick/teuthology,t-miyamae/teuthology,ivotron/teuthology,dreamhost/teuthology,SUSE/teuthology,SUSE/teuthology,ktdreyer/teuthology,dreamhost/teuthology,zhouyuan/teuthology,robbat2/teuthology,dmick/teuthology,michaelsevilla/teuthology,ktdreyer/teuthology,tchaikov/teuthology,ceph/teuthology,yghannam/teuthology,robbat2/teuthology