code: function() {
        var templateContext = View.prototype.prepare.apply(this);
        templateContext.formErrors = (_.size(this._errors) !== 0) ? this._errors : null;
        templateContext.formSuccess = this._success;
        return templateContext;
      }
docs: Prepare the formview's default render context
  @method prepare
  @return {Object}
  {Object.errors} A hash of field names mapped to error messages
  {Object.success} A boolean value of true if validation has succeeded