Update monitor plot file for per-disk statis.
Add del file location api to client
Fix thread pool shutdown bug
add DFL support for client.
del_sfilelocation will delete SFL by metastore, so we do not delete it.
Add multithread support for REP/DEL; add sysinfo collection and report to dservice.
Add dflf to MetaStoreClient (not tested yet); change descendingKeySet to default asc order keySet.
Fix zero-byte recv from server bug; Update system info every 60 seconds; catch SIGTERM signal;
Catch Exception in getMP; add FLSelector funcs; add -ofdp;
Disable databack compiling.
Redirect error log to log file.
Add getkeys and mget to MM; add sysinfostat to MMS; tune mget performance; update doplot2.sh for web UI.
Add mms ploting scripts; add start/stop tool scripts.
Update HTTP data page handler.
Fixing help manual.
Begin implement refreshActiveMMS; add MMS ploting scripts; fix the bug of one MMS failure caused client PUT exiting.
Add refreshActiveMMS to MMSClient.
changes haveto be committed to merge...
merge with branch macan
Update monitor system from online system.