Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/filters/CommonFilterSelectionDialog.java
boolean hideExtensionsTab = contentService.getViewerDescriptor()
				.getBooleanConfigProperty(
						INavigatorViewerDescriptor.PROP_HIDE_AVAILABLE_EXT_TAB);
		if (!hideExtensionsTab) { 
			contentExtensionsTab = new ContentExtensionsTab(
					customizationsTabFolder, contentService);
			createTabItem(
					customizationsTabFolder,
					CommonNavigatorMessages.CommonFilterSelectionDialog_Available_Content,
					contentExtensionsTab, CONTENT_ICON);
			
		}
		createDescriptionText(superComposite);
		if (commonFiltersTab != null) {
			commonFiltersTab.addSelectionChangedListener(getSelectionListener());
		}
		if (contentExtensionsTab != null) {
			contentExtensionsTab
					.addSelectionChangedListener(getSelectionListener());
		}
	
		commonFiltersTab.setInitialFocus();
		
		return customizationsTabFolder;
	}
	private void createCustomizationsTabFolder(Composite superComposite) {
		customizationsTabFolder = new CTabFolder (superComposite, SWT.RESIZE | SWT.BORDER);
 
		GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
		gd.widthHint = convertHorizontalDLUsToPixels(TAB_WIDTH_IN_DLUS);