title: Can't import any java classes
body: <p><strong>HelloWorld.ceylon</strong></p>
  
  <pre><code>import java.util { HashMap } //Error:(1, 8) ceylon: package not found in imported modules: java.util (define a module and add module import to its module descriptor)
  
  void run() {
      print("test");
  
  }
  </code></pre>
  
  <p><strong>module.properties</strong></p>
  
  <pre><code>module CeylonHelloWorld "1.0" {
      import java.base "8";
  }
  </code></pre>
  
  <p>I get an exception in HelloWord.ceylon file</p>