(fixes #2199, BP from #1944) changed specification of opSecurityUser::getMember() to return always Member or opAnonymousMember object. getMemberId() too.
(fixes #2199, BP from #1944) changed specification of opSecurityUser::getMember() to return always Member or opAnonymousMember object. getMemberId() too.

tejima/testravis,tejima/testravis,tejima/testravis