Update DevelopmentStack.htm

Author: unruledboy

ux/DevelopmentStack.htm

@@ -86,8 +86,8 @@
     }
     </style>
     <link href='//fonts.googleapis.com/css?family=PT+Sans' rel='stylesheet' type='text/css'>
-    <script src="//cdnjscn.b0.upaiyun.com/libs/jquery/2.1.1/jquery.min.js"></script>
-    <script src="//cdnjscn.b0.upaiyun.com/libs/d3/3.4.11/d3.min.js"></script>
+    <script src="https://code.jquery.com/jquery-2.1.1.min.js" integrity="sha256-h0cGsrExGgcZtSZ/fRz4AwV+Nn6Urh/3v3jFRQ0w9dQ=" crossorigin="anonymous"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>
     <script src="dndTree.js"></script>
 </head>