[SM-2247]add @id for the org.ops4j.pax.url.mvn.repositories in etc/org.ops4j.pax.url.mvn.cfg

git-svn-id: https://svn.apache.org/repos/asf/servicemix/smx5/trunk@1571139 13f79535-47bb-0310-9956-ffa450edef68