title: Symfony2.7.0 app_dev.php route not found
body: <p>I am learning symfony2, I have installed symfony2.7.0 LTS using below command.</p>
  
  <pre><code>symfony new sflearning
  </code></pre>
  
  <p>and I have installed symfony2.7.0 successfully. Now when I am trying run app_dev.php on localhost using below url,</p>
  
  <p><a href="http://localhost/sflearning/web/app_dev.php" rel="nofollow">http://localhost/sflearning/web/app_dev.php</a>
  It gives me an error </p>
  
  <blockquote>
    <p>No route found for "GET /"</p>
  </blockquote>
  
  <p>It was working with previous version properly, is it only route issue or there is something missing ? Please help.</p>