title: How to turn on output buffering in Symfony2?
body: <p>how do I turn on output_buffering for every request to my Sf2 app?</p>
  
  <p>I need this to use the the <a href="https://github.com/madiedinro/FirePHPBundle" rel="nofollow">FirePHPBundle</a>, but I would prefer to have it application-wide.</p>