Includes, comments and bugfixes

- Fix includes
- Use common regex (Song::kCoverRemoveDisc) for removing Disc/CD from album
- Remove Disc/CD from album when creating hash
- Make imobiledevice support compile
- Fix setting device on windows

src/engine/gstelementdeleter.cpp

@@ -18,9 +18,9 @@
  * 
  */
 
-#include "config.h"
+#include <QObject>
 
-#include <QtDebug>
+#include "config.h"
 
 #include "gstelementdeleter.h"