title: "No Rakefile found" when I run "rake gems:refresh_specs"
body: <p>When I run my app I get this error:</p>
  
  <pre><code>config.gem: Unpacked gem rakismet-0.3.6 in vendor/gems has no specification file. 
  Run 'rake gems:refresh_specs' to fix this. 
  </code></pre>
  
  <p>And when I run:</p>
  
  <pre><code>rake gems:refresh_specs
  </code></pre>
  
  <p>I get:</p>
  
  <pre><code>No Rakefile found
  </code></pre>
  
  <p>I've tried the rake command from various directories within the application hierarchy with no success.</p>