title: Is there a way to set the Scala version used in an Ammonite script?
body: <p>Is there a way to set the Scala version used in an Ammonite script?</p>
  
  <p>I've just started using Ammonite and at first blush it seems far superior to the <code>scalas</code> script runner that I've been using up until now. With <code>scalas</code>, however, I can easily set the Scala version used in the script. E.g.,</p>
  
  <pre><code>#!/usr/bin/env scalas
  
  /***
  scalaVersion := "2.11.8"
  */
  </code></pre>
  
  <p>I can't find any reference to any similar declaration in the Ammonite documentation.</p>