- added missing license headers found by maven rat plugin. most of them added automatically via apache-rat a few manually added - added apache-rat maven plugin to the build cycle
upgrade mycila plugin to 2.6
https://issues.apache.org/jira/browse/ACTIVEMQ6-1 This is the initial donation of the HornetQ codebase as per document http://incubator.apache.org/ip-clearance/hornetq.html