AMQP-321 Update RabbitMQ Client to 3.1.1
Merge Pull request #105 from garyrussell-AMQP-321

# By Gary Russell
* garyrussell-AMQP-321:
  AMQP-321 Update RabbitMQ Client to 3.1.1
AMQP-62 Configure requestedHeartBeat Property

Allow this property to be set on the CachingConnectionFactory, either
directly, or using the namespace.
Merge pull request #104 garyrussell-AMQP-62

* garyrussell-AMQP-62:
  AMQP-62 Configure requestedHeartBeat Property