title: Groovy Grape imports aren't resolved by Eclipse
body: <p>groovy eclipse plugin version: 1.7.5.xx-20101020-1000-e36-release.</p>
  
  <pre><code>import com.jidesoft.swing.JideSplitButton
  
  @Grab(group='com.jidesoft', module='jide-oss', version='[2.2.1,2.3.0)')
  public class TestClassAnnotation {
      public static String testMethod () {
          return JideSplitButton.class.name
      }
  }
  
  new TestClassAnnotation().testMethod()
  </code></pre>
  
  <p>the first line error: Groovy:unable to resolve class com.jidesoft.swing.JideSplitButton</p>
  
  <p>it can run as groovy shell, but the error warning is bore</p>