Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/filters/CommonFilterSelectionDialog.java
private static final String FILTER_ICON = "icons/full/elcl16/filter_ps.gif"; 
	private static final String CONTENT_ICON = "icons/full/elcl16/content.gif"; 
	private static final int TAB_WIDTH_IN_DLUS = 300;
	private static final int TAB_HEIGHT_IN_DLUS = 150;
	private final CommonViewer commonViewer;
	private final INavigatorContentService contentService;
	private CTabFolder customizationsTabFolder;
	private CommonFiltersTab commonFiltersTab;
	private ContentExtensionsTab contentExtensionsTab;
	private Label descriptionText;
	private ISelectionChangedListener updateDescriptionSelectionListener; 
	private String helpContext;
	
	/**
	 * Public only for tests.
	 * 
	 * @param aCommonViewer
	 */
	public CommonFilterSelectionDialog(CommonViewer aCommonViewer) {
		super(aCommonViewer.getControl().getShell());
		setShellStyle(SWT.RESIZE | getShellStyle());
		commonViewer = aCommonViewer;
		contentService = commonViewer.getNavigatorContentService();
		INavigatorViewerDescriptor viewerDescriptor = contentService.getViewerDescriptor();
		helpContext = viewerDescriptor
				.getStringConfigProperty(INavigatorViewerDescriptor.PROP_CUSTOMIZE_VIEW_DIALOG_HELP_CONTEXT);
		if (helpContext != null) {