Fix relativePath in bundles-pom

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1553796 13f79535-47bb-0310-9956-ffa450edef68
[SMX4-1635] Extend joda-time version import range in xstream bundles

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx4/bundles/trunk@1553797 13f79535-47bb-0310-9956-ffa450edef68