https://issues.apache.org/jira/browse/AMQ-4539 - add JMSActiveMQBrokerPath string property and brokerPath attribute via jmx message view, the list length is the current number of network hops

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1483600 13f79535-47bb-0310-9956-ffa450edef68