Merge remote-tracking branch 'origin/v0.2' into zhaoyang
modify msg add table,db info about a file
fix ObjectStore
modify and add msg:splitkey,partition
modify some msg
merge with zqh the first time
delete log test sentences
delete log sentence in hivemetastore
add msg for grant privilege,modify msg for split key
Fix splitby bug; tune shared/backup device shortcut handling;
modify alterTableFileSplitedBy to solve subsplitedby data lost
modify revoke
merge with zqh
modify show index to add show index properties
Merge remote-tracking branch 'origin/zhaoyang' into zhuqihan
Merge remote-tracking branch 'origin/zhuqihan' into v0.2, OK
add file removal and remove zqh print.
Fix asyncconsumer and file split key change bug.