Michael

Results 2 issues of Michael

This is a follow-up to https://github.com/akka/akka-http/issues/1433 where it was observed that setting up a `HttpsConnectionContext` with a `SSLContext` created by the Typesafe ssl-config did not work as expected--through debugging there...

status:backlog

- add functional test for handleShutdown using scalamock - add a note into the readme for handleShutdown and handleBlocking Ref RabbitMQ Java Client `3.6.1`: [ShutdownListener](http://www.rabbitmq.com/releases/rabbitmq-java-client/v3.6.1/rabbitmq-java-client-javadoc-3.6.1/com/rabbitmq/client/ShutdownListener.html) [BlockedListener](http://www.rabbitmq.com/releases/rabbitmq-java-client/v3.6.1/rabbitmq-java-client-javadoc-3.6.1/com/rabbitmq/client/BlockedListener.html)