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/widgets/clickablelabel.cpp

@@ -19,6 +19,9 @@
 
 #include "clickablelabel.h"
 
+#include <QWidget>
+#include <QLabel>
+
 ClickableLabel::ClickableLabel(QWidget *parent)
   : QLabel(parent)
 {