Merge pull request #1064 from ceph/port/libc++

support libc++
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

diff --cc src/common/hobject.h
Simple merge

diff --cc src/include/encoding.h
Simple merge

diff --cc src/mon/OSDMonitor.cc
Simple merge

diff --cc src/osd/OSD.cc
Simple merge

diff --cc src/osd/OSD.h
Simple merge

diff --cc src/osd/OSDMap.cc
Simple merge

diff --cc src/osd/OpRequest.h
Simple merge

diff --cc src/osd/PG.cc
Simple merge

diff --cc src/osd/PG.h
Simple merge

diff --cc src/osd/PGLog.h
Simple merge

diff --cc src/osd/osd_types.h
Simple merge

diff --cc src/test/osd/RadosModel.h
Simple merge