code: function (page) {
      var url = (page.charAt(0) === '/') ? page.slice(1) : page;
      this.router.history.navigate(url, {
        trigger: true
      });
    }
docs: This is a helper for navigating around the app.
  this gets called by a global click handler that handles
  all the <a> tags in the app.
  it expects a url pathname for example: "/costello/settings"
  @param  {any} page [description]