message: slug-based routing works for cardstack/content
diff: @@ -3,7 +3,7 @@ import Ember from 'ember';
  export default Ember.Route.extend({
  model({ type, slug }) {
  return this.store.queryRecord(Ember.String.singularize(type), {
  - filter: { slug },
  + filter: { slug: { exact: slug } },
  branch: this.modelFor('cardstack').branch
  });
  }
  