rgw: log-to-stderr is now a binary flag
rgw: log-to-stderr is now a binary flag

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