title: Symfony HWI OAuth login error behind a proxy
body: <p>I am using Symfony2 with HWIOAuth Bundle to login with Facebook Google and twitter. When network connection is behind a proxy login gives following error</p>
  
  <blockquote>
    <p><strong>[2/2] HttpTransportException: Error while sending HTTP request</strong><br> in
    vendor\hwi\oauth-bundle\OAuth\ResourceOwner\AbstractResourceOwner.php
    at line 258</p>
    
    <p><strong>[1/2] RequestException: Connection timed out after 5000 milliseconds</strong><br> in
    vendor\kriswallsmith\buzz\lib\Buzz\Client\Curl.php at line 29</p>
  </blockquote>