title: Heroku error in server
body: <p>I tried to make a server (site) with help Open Tok and Heroku. I made from this <a href="https://github.com/opentok/learning-opentok-php" rel="nofollow">https://github.com/opentok/learning-opentok-php</a> and made in order. After this I changed run-demo and I wrote api key and secret in there. I can to launch and I can to see api key, sessionId, and token. But I cannot to launch my site from Heroku. I tried several different variant but I could not to make this. And when I try to connect with my site and I get error </p>
  
  <blockquote>
    <p>"The page you are looking for could not be found. Check the address
    bar to ensure your URL is spelled correctly. If all else fails, you
    can visit our home page at the link below."</p>
  </blockquote>
  
  <p>How can I fix it?</p>