Merge pull request #3366 from ceph/wip-formatter

formatter: improve pretty output, rename factory method

Reviewed-by: Dan Mick <dan.mick@redhat.com>

diff --cc src/client/Client.cc
Simple merge

diff --cc src/common/ceph_context.cc
Simple merge

diff --cc src/mds/MDS.cc
Simple merge

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

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

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