Merge branch 'wip-rgw-refcount'

diff --cc src/Makefile.am
Simple merge

diff --cc src/objclass/class_api.cc
Simple merge

diff --cc src/objclass/objclass.h
Simple merge

diff --cc src/rgw/rgw_op.cc
Simple merge

diff --cc src/rgw/rgw_rados.cc
Simple merge

diff --cc src/rgw/rgw_rados.h
Simple merge