Miller

• all #28: Upgraded sarama version to v1.10.0.
• all #29: Added -version flag to specify Kafka protocol version to use. Defaults to v0.10.0.0.
• all #30: Ensure we set the client ID when talking to Kafka cluster. Currently set to kt-{command}-{whoami}, e.g. kt-consume-fgeller
• all: Releases built with Go 1.7 ❤️ for smaller binaries!