QPID-4390: Change port defaults to provide a default port name based on port value, binding address and protocol, remove name field from a port adapter

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/java-broker-config-qpid-4390@1435276 13f79535-47bb-0310-9956-ffa450edef68