title: List forks with Github API v3
body: <p>I'm trying to list all forks of a repository with the Github API (with a valid personal access token):</p>
  
  <pre><code>https://api.github.com/repos/nickperkinslondon/angular-bootstrap-nav-tree/forks/
  </code></pre>
  
  <p>but it returns a not found error:</p>
  
  <pre><code>documentation_url: "https://developer.github.com/v3", 
  message: "Not Found"
  </code></pre>