Use RMQ version file to set rabbitmqctl path
Use RMQ version file to set rabbitmqctl path

Signed-off-by: George Blue <eb84c35f2b1b4e421f04f3b8239bc4d268cca455@pivotal.io>

pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release