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/playlist/playlisttabbar.h

@@ -23,15 +23,31 @@
 
 #include "config.h"
 
+#include <stdbool.h>
+
+#include <QObject>
+#include <QWidget>
 #include <QBasicTimer>
+#include <QList>
+#include <QString>
 #include <QIcon>
 #include <QTabBar>
+#include <QAction>
+#include <QMenu>
+#include <QtEvents>
+
+class QEvent;
+class QContextMenuEvent;
+class QDragEnterEvent;
+class QDragLeaveEvent;
+class QDragMoveEvent;
+class QDropEvent;
+class QMouseEvent;
+class QTimerEvent;
 
 class PlaylistManager;
 class RenameTabLineEdit;
 
-class QMenu;
-
 class PlaylistTabBar : public QTabBar {
   Q_OBJECT