title: SslRequirement: uninitialized constant ApplicationController::SslRequirement
body: <p>I'm trying to add ssl to my rails 3.0.7 app using the ssl requirement gem, but when I type</p>
  
  <pre><code>include SslRequirement
  </code></pre>
  
  <p>into my Application controller, the app fails and I get the following error:</p>
  
  <pre><code>uninitialized constant ApplicationController::SslRequirement
  </code></pre>
  
  <p>Anybody seen this before?</p>