KAFKA-328 Write unit test for kafka server startup and shutdown API; reviewed by Neha Narkhede
kafka-1801; Remove non-functional variable definition in log4j.properties; patched by Raman Gupta; reviewed by Jun Rao
kafka-1803; UncleanLeaderElectionEnableProp in LogConfig should be of boolean; patched by Dave Parfitt; reviewed by Jun Rao
KAFKA-1720; Renamed Delayed Operations after KAFKA-1583; reviewed by Gwen Shapira and Joel Koshy
KAFKA-1173 Using Vagrant to get up and running with Apache Kafka patch by Ewen Cheslack-Postava reviewed by Joe Stein
KAFKA-1807 Improve accuracy of ProducerPerformance target throughput; reviewed by Neha Narkhede
KAFKA-1650; avoid data loss when mirror maker shutdown uncleanly; reviewed by Guozhang Wang