resolve external $ref

[RS-Roshi]

// TODO: (?) Resolve external $ref links
      // // Create schemaRefLibrary & schemaRecursiveRefMap
      // this.parser.bundle(this.schema)
      //   .then(schema => this.schema = resolveSchemaReferences(
      //     schema, this.jsf.schemaRefLibrary,
      //     this.jsf.schemaRecursiveRefMap, this.jsf.dataRecursiveRefMap
      //   ));