mon/OSDMonitor: move osd metadata dump into a helper

Signed-off-by: Sage Weil <sage@inktank.com>
mon/OSDMonitor: include osd metadata in 'ceph report'

Signed-off-by: Sage Weil <sage@inktank.com>
osd: include misc osd config info in metadata sent to the mon

addr info, pathnames.

Signed-off-by: Sage Weil <sage@inktank.com>