
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">

  <!-- css lib -->
  <link rel="stylesheet" href="dist/style/lib/font-awesome.min.css">
  <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">

  <!-- css project files -->
  <link rel="stylesheet" href="dist/style/main.css">

  <title>Mockup integration</title>
</head>
<body>
  <div id="react-container"></div>
  
  <script src="dist/bundle.js"></script>  
</body>
</html>

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">

  <!-- css lib -->
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css"></script>
  <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">

  <!-- css project files -->
  <link rel="stylesheet" href="dist/style/main.css">

  <title>Mockup integration</title>
</head>
<body>
  <div id="react-container"></div>
  
  <script src="dist/bundle.js"></script>  
</body>
</html>

Change FontAwesome dependency to use the FA CDN
Change FontAwesome dependency to use the FA CDN