message: add missing "author" param when updating models
diff: @@ -282,14 +282,15 @@ export class CustomModelApi extends BaseApi {
  /**
  * Edit an existing custom model
  */
  - updateCustomModel(modelName: string, description?: string, namespaceUri?: string, namespacePrefix?: string): Promise<any> {
  + updateCustomModel(modelName: string, description?: string, namespaceUri?: string, namespacePrefix?: string, author?: string): Promise<any> {
  throwIfNotDefined(modelName, 'modelName');
  const bodyParam = {
  'name': modelName,
  description,
  namespaceUri,
  - namespacePrefix
  + namespacePrefix,
  + author
  };
  const pathParams = {
  