some polish and fixes

src/vs/code/electron-browser/issue/issueReporterModel.ts

@@ -3,6 +3,8 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+'use strict';
+
 import { assign } from 'vs/base/common/objects';
 
 export interface IssueReporterData {