use warn rather than debug to show more informations in log

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1436672 13f79535-47bb-0310-9956-ffa450edef68
fix user dn when adding user to a group

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1436673 13f79535-47bb-0310-9956-ffa450edef68
fix user dn when adding user to a group

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1436674 13f79535-47bb-0310-9956-ffa450edef68