Doc - Add tutorials on building and running example applications and creating mobile applications.

Reviewed-by: Christian Kamm

doc/examples/batteryindicator/main.cpp

@@ -0,0 +1,15 @@
+#include <QtGui/QApplication>
+#include "batteryindicator.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    BatteryIndicator w;
+#if defined(Q_WS_S60)
+    w.showMaximized();
+#else
+    w.show();
+#endif
+
+    return a.exec();
+}