QPID-5870 A Consumer is now marked if it's using a durable subscription.
The topic subscription queue is now deleted when the subscription ends unless it's marked as a durable-topic-subscription.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1608971 13f79535-47bb-0310-9956-ffa450edef68