marina-netbeans-plugin: #202

  Product Version         = NetBeans IDE 6.7.1 RC (Build 200907101800)
  Operating System        = Windows XP version 5.1 running on x86
  Java; VM; Vendor        = 1.6.0_12-ea; Java HotSpot(TM) Client VM 11.2-b01; Sun Microsystems Inc.


Steps to reproduce:
- Create a JavaFX project
- Copy the code to the Main file:
---------------------------------------------
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.ext.swing.SwingButton;


Stage {
    title: "Application title"
    width: 250
    height: 80
    scene: Scene {
        content: [
            SwingButton {
                    text: "Swing Button"
                    action: function() {  }
            }
        ]
    }
}
---------------------------------------------

- Select the Mobile execution model

 The unsupported code marked as red

Run the project

The mobile emulator starts but shows nothing.
The mobile emulator should not start if code contains errors.