Add ref_file to update SFile
Bug fix version @ 12.31 online to XJ.
Change default DM policy to RANDOM; Fix listTableFiles' bug.
Reserve one REP channel under lots of file deletions.
Add VERIFY reply to dservice; fix device prop -1 error in getDMStatus;
Tune VERIFY handling; fix long live NodeInfo bug.
Fix reopen() msg sending bug; double check toSuspect set; print info for msUri;