Remove protocol from external script tags

Allows external resources to be loaded if you're on `http` and `https`.

Author: jgillman

index.html

@@ -161,10 +161,10 @@ <h3>Demo 2 with color coding (flowstate). Try editing me below</h3>
       </div>
     </footer>
 
-    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
+    <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
 
     <!-- Needed for the text editor -->
-    <script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script>
+    <script src="//d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script>
 
     <script src="underscore-min.js"></script>
     <script src="raphael-min.js"></script>