title: Read file from src/main/scala using sbt
body: <p><code>src/main/scala/my/pkg/Main.scala</code> reads <code>src/main/scala/my/pkg/file.txt</code> successfully when running from IntelliJ. When I run it, in <code>target/scala-2.11/classes/my/pkg</code> there are class files for Main as well as the <code>file.txt</code></p>
  <p>When I run it from sbt, it fails reading <code>file.txt</code>, it's not there in <code>target/scala-2.11/classes/my/pkg</code>.</p>
  <p>Any ideas?</p>