Bug 296565 Make group creation an advanced option in the folder
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/ide/undo/CreateGroupOperation.java
/**
	 * Create a CreateFolderOperation
	 * 
	 * @param groupHandle
	 *            the group to be created
	 * @param label
	 *            the label of the operation
	 */
	public CreateGroupOperation(IFolder groupHandle, String label) {
		super(null, label);
		ContainerDescription containerDescription = ContainerDescription
				.fromGroupContainer(groupHandle);
		setResourceDescriptions(new ResourceDescription[] { containerDescription });
	}
}