modify hive.java to make addGeoloc sucessfully
rpc of equiproom and geolocation and nodeassignment
test
modify geolocname
modify geolocname ++
modify geoloc modify,drop,show
Merge remote-tracking branch 'origin/zhuqihan' into v0.2, OK.
Remove metastore_db.
add geoloc
Merge remote-tracking branch 'origin/zhuqihan' into v0.2, add missing files.
Merge caoruyi's branch: remove geolocname.
Add filterTableFiles and listTableFiles ObjectStore implementation, but not tested yet