ACCUMULO-3146 Try to stabilize BalanceAfterCommsFailureIT and SimpleBalancerFairnessIT
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-3143 Offline scan property is now being properly serialized. Added verification that all other booleans are being serialized.
Merge branch '1.6.1-SNAPSHOT'
ACCUMULO-2916 Upgrading zookeeper to 3.4.*.