* Add spring-cloud-starter-bus-kafka
* Separate profiles for amqp and kafka
* profiles for amqp and kafka with default binders
* updates to readme on kafka support for the watcher. Fixes#654
* fix IT
* remove unused imports
* Add conditionals to allow for config and/or secrets to be watched
* fix it deployment for bus-amqp
* enable probes for management endpoints. Disable rabbit health checker unless we run the bus-amqp profile
* add IT tests for Kafka, deployments for zookeeper and kafka. Increase timeouts from 90 to 600 seconds to account for larger images and slower connections.
* add newline
* refactor imports
* fix checkstyle issues.
* update kafka docker image tag from latest to 2.13-2.6.0
* updating zookeeper docker image from wurstmeister/zookeeper:latest to zookeeper:3.6.2. wurstmeister does not appear to have tags that match the latest images yet and the last updates are a few years old.
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