QPID-3769 Modified the equals and hashcode methods in  AMQTopic to fall
back to AMQDestination for address strings. For BURL the existing impl
will continue to work. Added AMQAnyDestination to the tests.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1463158 13f79535-47bb-0310-9956-ffa450edef68