Adds URL version so we can invalidate caches

Author: zmoazeni

index.html

@@ -8,7 +8,7 @@
 
   <link rel="stylesheet" href="css/bootstrap.min.css">
   <link rel="stylesheet" href="css/bootstrap-responsive.min.css">
-  <link rel="stylesheet" href="css/main.css">
+  <link rel="stylesheet" href="css/main.css?v=1">
   <style>
   </style>
 
@@ -87,7 +87,7 @@ <h2>How easy is it for you to imagine this performs in an unexpected way after d
   <script src="js/ZeroClipboard.js"></script>
   <script src="js/bootstrap.min.js"></script>
   <script src="js/jquery.knob.js"></script>
-  <script src="js/main.js"></script>
+  <script src="js/main.js?v=1"></script>
 
   <script>
     $(function() {