<!DOCTYPE html>
<html lang="en">
<head>
  <title>No-install TDD environment</title>
  <meta charset="utf-8">
  <link rel="icon" type="image/x-icon" href="favicon.ico" />
  <script type="text/javascript" src="//cdn.rawgit.com/jpillora/xdomain/0.6.17/dist/xdomain.min.js" slave="http://${KATAS_SERVICE_DOMAIN}/proxy.html"></script>
  <script type="text/javascript" src="//cdn.jsdelivr.net/ace/1.1.9/min/ace.js" charset="utf-8"></script>
  <script type="text/javascript" src="//cdn.jsdelivr.net/ace/1.1.9/min/ext-language_tools.js" charset="utf-8"></script>
  <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react-with-addons.min.js"></script>
  <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/babel-polyfill/6.26.0/polyfill.min.js"></script>
  <link type="text/css" href="style.css" rel="stylesheet"/>
</head>
<body>
  <div id="tddbin"></div>
  <script src="./index.min.js" type="application/javascript"></script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <title>No-install TDD environment</title>
  <meta charset="utf-8">
  <link rel="icon" type="image/x-icon" href="favicon.ico" />
  <script type="text/javascript" src="//cdn.rawgit.com/jpillora/xdomain/0.6.17/dist/xdomain.min.js" slave="http://${KATAS_SERVICE_DOMAIN}/proxy.html"></script>
  <script type="text/javascript" src="//ajaxorg.github.io/ace-builds/src-min-noconflict/ace.js" charset="utf-8"></script>
  <script type="text/javascript" src="//cdn.jsdelivr.net/ace/1.1.9/min/ext-language_tools.js" charset="utf-8"></script>
  <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/react/15.5.4/react-with-addons.min.js"></script>
  <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/babel-polyfill/6.26.0/polyfill.min.js"></script>
  <link type="text/css" href="style.css" rel="stylesheet"/>
</head>
<body>
  <div id="tddbin"></div>
  <script src="./index.min.js" type="application/javascript"></script>
</body>
</html>

Use the latest ACE jsdelivr seems to be down.
Use the latest ACE jsdelivr seems to be down.
