Bug 296565 Make group creation an advanced option in the folder
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardNewGroupMainPage.java
this.currentSelection = selection;
    }
    /** (non-Javadoc)
     * Method declared on IDialogPage.
     */
    public void createControl(Composite parent) {
        initializeDialogUnits(parent);
        
        Composite composite = new Composite(parent, SWT.NONE);
        composite.setFont(parent.getFont());
        composite.setLayout(new GridLayout());
        composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL
                | GridData.HORIZONTAL_ALIGN_FILL));
        PlatformUI.getWorkbench().getHelpSystem()
                .setHelp(composite, IIDEHelpContextIds.NEW_GROUP_WIZARD_PAGE);
        resourceGroup = new ResourceAndContainerGroup(
                composite,
                this,
                IDEWorkbenchMessages.WizardNewGroupMainPage_groupName, 
                IDEWorkbenchMessages.WizardNewGroupMainPage_groupLabel, 
                false, SIZING_CONTAINER_GROUP_HEIGHT);
        resourceGroup.setAllowExistingResources(false);
        initializePage();
        validatePage();
        
        setErrorMessage(null);
        setMessage(null);
        setControl(composite);
    }
    /**