first spike of #405 so that for ActiveMQ 5.8 we now have queue / topic / broker diagrams working again
first spike of #405 so that for ActiveMQ 5.8 we now have queue / topic / broker diagrams working again
fixes #405 for ActiveMQ 5.7 and ActiveMQ 5.8 (no mean feat given the huge difference in the mbeans and the mbean trees ;)