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/alsadevicefinder.h

@@ -22,7 +22,10 @@
 
 #include "config.h"
 
-#include "engine/devicefinder.h"
+#include <stdbool.h>
+#include <QList>
+
+#include "devicefinder.h"
 
 class AlsaDeviceFinder : public DeviceFinder {
  public: