https://issues.apache.org/jira/browse/AMQ-5305 - modify <destination> element with runtime configuration plugin
https://issues.apache.org/jira/browse/AMQ-5315

Fix for possible NPE during start with immediate bridge failure.
https://issues.apache.org/jira/browse/AMQ-5337

Switch to LinkedHashMap with R/W locking for concurrent add / remove
protection