Kafka 0.11.0.0

Highlights:

• Removes the kafka.kafka service, to encourage use of bootstrap.servers and thus actual "listener" names (#21)
• Adds support for Balancing Replicas Across availability zones (#41)
• Uses dynamically provisioned volumes
• ZooKeeper too uses persistent volumes (#33)
• Support for RBAC (#59)
• Tested with Kubernetes 1.6 and 1.7

Additional features as "addons", notably:

• Support for pull-based monitoring such as Prometheus (#49, known issue #61)
• Schema Registry and REST Proxy (#45)
• Single node scale (#44)