title: Skip scaladoc when running 'dist' on a Play project
body: <p>How can I stop scaladoc from running when executing 'dist' on a Play project (currently using Play 2.3.0)? As an example:</p>
  
  <pre><code>$ git clone --branch play-2.3.0 git@github.com:guardian/gu-who.git
  $ cd gu-who
  $ sbt clean dist
  [info] Loading project definition from /tmp/gu-who/project
  [info] Set current project to gu-who (in build file:/tmp/gu-who/)
  [success] Total time: 0 s, completed 20-Aug-2014 09:57:55
  ...
  [info] Compiling 23 Scala sources and 1 Java source to /tmp/gu-who/target/scala-2.10/classes...
  [info] Main Scala API documentation to /tmp/gu-who/target/scala-2.10/api...
  [info] Packaging /tmp/gu-who/target/gu-who-1.0-SNAPSHOT-assets.jar ...
  [info] Done packaging.
  model contains 54 documentable templates
  [info] Main Scala API documentation successful.
  [info] Packaging /tmp/gu-who/target/scala-2.10/gu-who_2.10-1.0-SNAPSHOT-javadoc.jar ...
  [info] Done packaging.
  [info] Packaging /tmp/gu-who/target/scala-2.10/gu-who_2.10-1.0-SNAPSHOT.jar ...
  [info] Done packaging.
  [info] 
  [info] Your package is ready in /tmp/gu-who/target/universal/gu-who-1.0-SNAPSHOT.zip
  [info] 
  [success] Total time: 20 s, completed 20-Aug-2014 09:58:15
  </code></pre>
  
  <p>The 'scaladoc' portion of that process takes about <strong>12</strong> of those 20 seconds. I don't want to run scaladoc <em>at all</em> (anyone doing work on this non-library project will be looking at the actual source code).</p>