fix project version metadata

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1580741 13f79535-47bb-0310-9956-ffa450edef68
fix retrieving versions

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1580742 13f79535-47bb-0310-9956-ffa450edef68
fix retrieving facets

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1580743 13f79535-47bb-0310-9956-ffa450edef68