use modello 1.7 released version

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1447636 13f79535-47bb-0310-9956-ffa450edef68
snapshot repo not anymore needed

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-core/trunk@1447637 13f79535-47bb-0310-9956-ffa450edef68