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/covermanager/currentartloader.h

@@ -25,16 +25,17 @@
 
 #include <memory>
 
+#include <QtGlobal>
 #include <QObject>
+#include <QString>
+#include <QImage>
+#include <QTemporaryFile>
 
 #include "core/song.h"
-#include "covermanager/albumcoverloaderoptions.h"
+#include "albumcoverloaderoptions.h"
 
 class Application;
 
-class QImage;
-class QTemporaryFile;
-
 class CurrentArtLoader : public QObject {
   Q_OBJECT