Update demo jQuery version to 1.9.1.

Author: blueimp

index.html

@@ -71,7 +71,7 @@ <h2>Result</h2>
 </div>
 <script src="load-image.min.js"></script>
 <!-- jQuery is not required, but included for the demo -->
-<script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
+<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
 <script>
 /*global jQuery, window, document, HTMLCanvasElement */
 (function ($) {