Add JUnit test for 1382
Packet class is now public
NIOServerCnxn.doIO(..) is public
call cnxn.enableRecv() only if session has been re-validated
Try to respect Zookeeper code conventions
Add small Javadoc
Try to respect Zookeeper code conventions (bis repetita)
Merge remote-tracking branch 'origin/ZOOKEEPER-1382' into weblogic-sasl-bug