Replace jQuery CDN link with jsDelivr version

Author: bigfootjon

website/templates/base.html

@@ -71,7 +71,7 @@
     </footer>
 
     <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
-    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script>
     <!-- Include all compiled plugins (below), or include individual files as needed -->
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
   </body>