Merge pull request #3429 from liewegas/wip-precalc-pgtemp

RFC: mon: prime pg_temp when osdmap changes

Reviewed-by: Guang Yang <yguang@yahoo-inc.com>
Tested-by: Zhi (David) Zhang <zhangz@yahoo-inc.com>

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

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

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

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

diff --cc src/mon/PGMap.h
Simple merge

diff --cc src/vstart.sh
Simple merge