[libcalamaresui] Apply coding style

- while here, update copyright

src/calamares/progresstree/ProgressTreeDelegate.cpp

@@ -1,7 +1,7 @@
 /* === This file is part of Calamares - <https://github.com/calamares> ===
  *
  *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
- *   Copyright 2017, 2019, Adriaan de Groot <groot@kde.org>
+ *   Copyright 2017, 2019-2020, Adriaan de Groot <groot@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -19,10 +19,10 @@
 
 #include "ProgressTreeDelegate.h"
 
+#include "Branding.h"
 #include "CalamaresApplication.h"
 #include "CalamaresWindow.h"
 #include "ViewManager.h"
-#include "Branding.h"
 #include "utils/CalamaresUtilsGui.h"
 
 #include <QPainter>

src/libcalamaresui/ViewManager.cpp

@@ -3,7 +3,7 @@
  *   Copyright 2019, Dominic Hayes <ferenosdev@outlook.com>
  *   Copyright 2019, Gabriel Craciunescu <crazy@frugalware.org>
  *   Copyright 2014-2015, Teo Mrnjavac <teo@kde.org>
- *   Copyright 2017-2018, Adriaan de Groot <groot@kde.org>
+ *   Copyright 2017-2018, 2020, Adriaan de Groot <groot@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by