XD-2462 CI for Kafka Bus

Removed InstanceType.  This allows users to select whatever EC2 instance type they want
Updated to start kafka service on admin
Updated to link kafka to the ZK on the admin
Added checks to verify that kafka is up
Allows user to select what KafkaZK or broker they want to use.
Updated base test to use 1.1
Forgot one step.
Added new defaults to the XD-EC2 properties