use last jackson version

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1537753 13f79535-47bb-0310-9956-ffa450edef68
fix osgi metadata

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1537755 13f79535-47bb-0310-9956-ffa450edef68