title: Unrecognized option "firewall_name" under "hwi_oauth"
body: <p>After upgrade of my project to symfony 2.8 I get the following error when I push the code to staging server.</p>
  
  <blockquote>
    <p>[Symfony\Component\Config\Definition\Exception\InvalidConfigurationException]
    Unrecognized option "firewall_name" under "hwi_oauth"
    When i remove <code>firewall_name</code> option then I get an error that the option is required.</p>
  </blockquote>
  
  <p>If someone provide some insight will be much appreciated.</p>