Set size of widgets for devices to match default resolution

* When creating a new project for some device: Set UI element size
   to the device resolution.

share/qtcreator/templates/qt4project/main.cpp

@@ -5,6 +5,10 @@ int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
     %CLASS% w;
+#if defined(Q_WS_S60) || defined(Q_WS_MAEMO_5)
+    w.showMaximized();
+#else
     w.show();
+#endif
     return a.exec();
 }