title: An easy way to get rid of *everything* generated by SBT?
body: <p>Is there an easy way to get rid of everything getting generated as a result of performing an SBT build? It turns out it creates target directories all over the place. Performing </p>
  
  <pre><code>sbt clean clean-cache clean-lib clean-plugins
  </code></pre>
  
  <p>... doesn't get rid of all.</p>