kafka-1069; MBean kafka.cluster.Partition report wrong UnderReplicated status; patched by Jun Rao; reviewed by Neha Narkhede
kafka-1078; Update System Test to handle controller data returned by ZK; patched by John Fung; reviewed by Jun Rao
kafka-954; tidy up README file for better general availability; patched by Jun Rao; reviewed by Joe Stein and Neha Narkhede
Merge remote-tracking branch 'origin/0.8' into trunk