Add offlineDiskPhysically; fix totalFileDel in report; fix Unspc handling; add FLSelector framework; add watch interface; add FLSelector to create (just test).
Add offlineDevicePhysically and flSelectorWatch to IMetaStoreClient; fix table column rename bug on primary keys;
Fix the hash key parsing bug.
Fix the level not update bug in FLSelector framework.
Fix RepThread exit bug in SiChuan; fix concurrent modification exception in printWatcher().
Fix TimerThread exit bug; add fid to close_file log.
Remove redundent getDevice calling in parseDevices.
Fix leaking SFL deletion msgs.