kafka-1389; transient unit test failure in ProducerFailureHandlingTest; patched by Jun Rao; reviewed by Guozhang Wang and Neha Narkhede
kafka-1418; transient unit test failure in ProducerFailureHandlingTest; patched by Jun Rao; reviewed by Guozhang Wang and Joel Koshy
kafka-1424; transient unit test failure in testSendWithDeadBroker; patched by Jun Rao; reviewed by Timothy Chen
kafka-1409; oversized messages can slow down the brokers; patched by Guozhang Wang; reviewed by Neha Narkhede, Jun Rao
kafka-1392; all TestUtiles.waitUntilTrue() should throw an exception if the return value is false; patched by Jun Rao; reviewed by Guozhang Wang, Neha Narkhede and Joel Koshy
kafka-1395; fix unit tests in AutoOffsetResetTest; patched by Guozhang Wang; reviewed by Neha Narkhede, Jun Rao
Fix delete topic tests and deadlock