Add check for empty table before sorting on security
Use TBinaryProtocol without max buffer
Merge branch 'STORM-395' into security

STORM-395: Use TBinaryProtocol without max buffer on security
Fixed merge error in drpc.clj
Merge branch 'STORM-347' of https://github.com/harshach/incubator-storm into STORM-347

STORM-347: Authentication should allow for groups not just users.