SLING-2788 - add missing <scm> section

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1560981 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release org.apache.sling.paxexam.util-1.0.2

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1560982 13f79535-47bb-0310-9956-ffa450edef68