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/settings/settingspage.cpp

@@ -18,7 +18,7 @@
  * 
  */
 
-#include "config.h"
+#include <QWidget>
 
 #include "settingsdialog.h"
 #include "settingspage.h"