Add SOTAuthenticator, UserAuthorityCheck PreEventContext, and default PreEventListener.
rpc of equiproom and geolocation and nodeassignment
rpc of equiproom and geolocation and nodeassignment
Merge remote-tracking branch 'origin/caoruyi' into v0.2, OK.
Merge remote-tracking branch 'origin/zhuqihan' into v0.2, OK for DDL.
rpc of equiproom and geolocation and nodeassignment
Fix the invalid import for MetaStoreConst.java
rpc of equiproom and geolocation and nodeassignment
Merge remote-tracking branch 'origin/caoruyi' into v0.2, advanced fix for geoloc.
Merge zhuqihan's branch @ 9.22 20:30:56: modify ddl.
modify hive.java to make addGeoloc sucessfully