Created a Kafka unlaunch_units script.
feat(zookeeper): make start script name more specific.
feat(kafka): add unlaunch_units.sh to ease testing.
feat(cluster): move launch_units.sh to its own feature.
feat(cluster): add unlaunch_units.sh to tear it all down.
feat(*): switch ENV from ‘test’ to ‘blue’.
fix(collectd): remove unused features.
fix(graphite): remove graphite; it is unused.
feat(elasticsearch): Add ElasticSearch to cloud-bootstrap.
feat(zookeeper): Update to ZooKeeper v3.4.6, from source.
feat(zookeeper): Add unlaunch_units.sh.
feat(kafka): Add DNS for round-robin address.
feat(spec): Clean things up a bit more.

Add CloudStatus::InfluxDB object and pass FLEETCTL_TUNNEL
IP address to CloudStatus on init.
feat(terraform): Remove duplicate ingress rule.
feat(terraform): Add ingress rules for elasticsearch.
fix(terraform): Clean up a few loose ends (typos).
feat(influxdb): Remove prior versions of ELB on start.
feat(terraform): Add ‘role=control’ to fleet metadata.
feat(terraform): Add logstash-forwarder ingress policy.
Start from ubuntu-debootstrap base image.