Merge pull request #11434 from batrick/mds-cmd-deprecated

Flag deprecated mds commands and omit deprecated mon commands in help output

Reviewed-by: Greg Farnum <gfarnum@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>

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

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

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