Bug 54548 [About] About dialog should obtain info from IProduct and IBundleGroup instead of platform configuration
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/AboutPluginsDialog.java
*/
	private boolean tableHasSelection() {
		if (vendorInfo == null)
			return false;
		return (vendorInfo.getSelectionCount() > 0);
	}
	/** 
	 * Respond to moreInfo button pressed.
	 * 
	 */
	protected void handleMoreInfoPressed() {
		TableItem[] items = vendorInfo.getSelection();
		if (items.length == 0)
			return;
		int i = vendorInfo.getSelectionIndex();
		IPluginDescriptor desc = info[i];
		openMoreInfo(desc);
	}
	/** 
	 * Open html file containing additional info about the selected
	 * plugin.
	 * 
	 */
	private void openMoreInfo(IPluginDescriptor desc) {
		if (desc != null && openBrowser(desc.find(new Path(PLUGININFO))))
			return;
		MessageDialog.openError(getShell(), IDEWorkbenchMessages
				.getString("AboutPluginsDialog.errorTitle"), 
				IDEWorkbenchMessages.format(
						"AboutPluginsDialog.unableToOpenFile", new Object[]{