merge with master and modify iGet but not right yet.
merge with zhaoyang and modify to solve conflicts
alter iget() about cx.
merge with master
modify iGet() for cx client.
add the count stats of the filter files moudle ,called by -flc
add the  lutools.jar and alter the MetaStoreClient.java to support collect the filtered files' status
add -flc to MetaStoreClient.java.So it can collect the filtered files' status
merge with master
add data balance.(but the delSFL interface has not achieved)
modify databalance delSFileLocation.
add -flc to collect the status of the index directory
merge with origin/zhaoyang
merge with master
Merge remote-tracking branch 'origin/zhaoyang' into zhuqihan
alter metastoreclient add data balance.
Merge remote-tracking branch 'origin/macan' into zhaoyang
change MonitorHandler avoid removing everything in datacount/
Merge remote-tracking branch 'origin/macan' into zhaoyang
Add compile date/host/git_rev to dservice; Modify data.exp for correct password handling.