App can now be built using Ant and run from the JAR file.

Note: this requires adding the res/lib folder to the classpath in order to run in Eclipse (included in this commit).
Another commit will follow to remove build artifacts from git.

src/view/BoardPanel.java

@@ -51,28 +51,22 @@ public class BoardPanel extends JPanel implements Refreshable {
 
 	}
 
-	public static final URL BLUE_ICON = ClassLoader
-			.getSystemResource("img/blue.png");
-
-	public static final URL GREEN_ICON = ClassLoader
-			.getSystemResource("img/green.png");
-	public static final URL NONE_ICON = ClassLoader
-			.getSystemResource("img/none.png");
-	public static final URL RED_ICON = ClassLoader
-			.getSystemResource("img/red.png");
-	public static final URL YELLOW_ICON = ClassLoader
-			.getSystemResource("img/yellow.png");
-	/**
-	 * 
-	 */
+	public static final URL BLUE_ICON = BoardPanel.class
+			.getResource("/img/blue.png");
+	public static final URL GREEN_ICON = BoardPanel.class
+			.getResource("/img/green.png");
+	public static final URL NONE_ICON = BoardPanel.class
+			.getResource("/img/none.png");
+	public static final URL RED_ICON = BoardPanel.class
+			.getResource("/img/red.png");
+	public static final URL YELLOW_ICON = BoardPanel.class
+			.getResource("/img/yellow.png");
+	
 	private static final long serialVersionUID = 1L;
 
 	private final JLabel[][] board = new JLabel[Board.NUM_ROWS][Board.NUM_COLS];
 	private final Referee referee;
 
-	// private final ImageIcon[][] icons = new
-	// ImageIcon[Board.NUM_ROWS][Board.NUM_COLS];
-
 	public BoardPanel(Referee ref) {
 		referee = ref;
 		setLayout(new GridLayout(Board.NUM_ROWS, Board.NUM_COLS));