KAFKA-1576: Make delete topic command a little more user-friendly. Patch from Gwen Shapira.
kafka-1598; Fix variable typo in Kafka main class; patched by Jarek Jarcec Cecho; reviewed by Jun Rao
kafka-1603; MirrorMaker consumer does not put the message key into ProducerRecord; patched by Jiangjie Qin; reviewed by Jun Rao
kafka-1609; New producer metadata response handling should only exclude a PartitionInfo when its error is LEADER_NOT_AVAILABLE; patched by Dong Lin; reviewed by Jun Rao
KAFKA-1485 Upgrade to Zookeeper 3.4.6 and create shim for ZKCLI so system tests can run patch by Gwen Shapira reviewed by Joe Stein and Jun Rao
KAFKA-1577; Swallow errors from connection-quotas in closing sockets on shutdown; reviewed by Joel Koshy
KAFKA-687; Provide a roundrobin partition assignment strategy that considers partitions from all topics; reviewed by Jun Rao and Guozhang Wang.
KAFKA-1502 source jar is empty patch by Jun Rao reviewed by Joe Stein
KAFKA-1485 Upgrade to Zookeeper 3.4.6 missing file
kafka-1616; Purgatory Size and Num.Delayed.Request metrics are incorrect; patched by Guozhang Wang; reviewed by Jun Rao
KAFKA-1510; Do full (unfiltered) offset commits when offsets storage is set to Kafka; reviewed by Joel Koshy
Merge branch 'trunk' into fix-null-pointer-in-zk-utils