Add missing license headers

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx5/trunk@1577498 13f79535-47bb-0310-9956-ffa450edef68
Prepare for release: Update RELEASE-NOTES

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx5/trunk@1577499 13f79535-47bb-0310-9956-ffa450edef68