automotive example: Only use two specially created skins

... because the default skins do not have hints for e.g. the speedometer.

Also, display the speedometer page by default.

examples/automotive/MainWindow.cpp

@@ -13,7 +13,7 @@
 #include <QDate>
 #include <QImage>
 
-#define SPEEDO 0
+#define SPEEDO 1
 
 MainWindow::MainWindow()
 {

examples/automotive/SkinFactory.cpp

@@ -16,7 +16,7 @@
 
 QStringList SkinFactory::skinNames() const
 {
-    return { "DefaultSkin", "OtherSkin", "SquiekSkin", "MaterialSkin" };
+    return { "DefaultSkin", "OtherSkin" };
 }
 
 QskSkin* SkinFactory::createSkin( const QString& skinName )