Add Qt DBus as optional dependency in order to be compatible with windows

app/plaYUVerApp.cpp

@@ -27,6 +27,9 @@
 #ifdef USE_FERVOR
 #include "fvupdater.h"
 #endif
+#ifdef USE_QTDBUS
+#include "PlaYUVerAppAdaptor.h"
+#endif
 
 #include "plaYUVerApp.h"
 #include "DialogSubWindowSelector.h"
@@ -43,13 +46,13 @@ plaYUVerApp::plaYUVerApp()
 
   setWindowModality( Qt::ApplicationModal );
 
-  // dbus
+  // DBus
+#ifdef USE_QTDBUS
   m_pDBusAdaptor = new PlaYUVerAppAdaptor(this);
+#endif
 
   mdiArea = new PlaYUVerMdiArea;
   setCentralWidget( mdiArea );
-  //mdiArea->setHorizontalScrollBarPolicy( Qt::ScrollBarAsNeeded );
-  //mdiArea->setVerticalScrollBarPolicy( Qt::ScrollBarAsNeeded );
   mdiArea->setActivationOrder( QMdiArea::ActivationHistoryOrder );
 
   connect( mdiArea, SIGNAL( subWindowActivated(QMdiSubWindow*) ), this, SLOT( chageSubWindowSelection() ) );