Help page fix
<?import javafx.scene.layout.* ?>
<?import javafx.scene.web.WebView ?>
-<BorderPane xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1"
- fx:controller="io.github.mzmine.desktop.impl.helpwindow.HelpWindowController">
+<BorderPane xmlns:fx="http://javafx.com/fxml"
+ fx:controller="io.github.mzmine.gui.impl.helpwindow.HelpWindowController">
<center>
<WebView fx:id="helpWebView" />
</center>
