Fix JSHint errors.

[skip sauce]

docs/assets/js/src/customizer.js

@@ -6,8 +6,7 @@
  * details, see https://creativecommons.org/licenses/by/3.0/.
  */
 
-/* jshint es3:false */
-/* global JSZip, less, autoprefixer, saveAs, UglifyJS, __configBridge, __js, __less, __fonts */
+/* global JSON, JSZip, less, autoprefixer, saveAs, UglifyJS, __configBridge, __js, __less, __fonts */
 
 window.onload = function () { // wait for load in a dumb way because B-0
   'use strict';

js/collapse.js

@@ -6,6 +6,7 @@
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
+/* jshint latedef: false */
 
 +function ($) {
   'use strict';