Put Rocket Optimizer in scroll panel

Since it is a big window, and users may make it smaller, this is not unreasonable

swing/src/net/sf/openrocket/gui/dialogs/optimization/GeneralOptimizationDialog.java

@@ -602,7 +602,7 @@ public class GeneralOptimizationDialog extends JDialog {
 		});
 		panel.add(closeButton, "right");
 		
-		this.add(panel);
+		this.add(new JScrollPane(panel));
 		clearHistory();
 		updateComponents();
 		GUIUtil.setDisposableDialogOptions(this, null);