[maven-scm] copy for tag jxr-2.2

git-svn-id: https://svn.apache.org/repos/asf/maven/jxr/tags/jxr-2.2@950224 13f79535-47bb-0310-9956-ffa450edef68
tree: 3028dc8e8a58e2fedecc1d672a326746f929deb3
  1. jxr-site/
  2. maven-jxr/
  3. maven-jxr-plugin/
  4. pom.xml