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/core/filesystemwatcherinterface.h

@@ -24,17 +24,18 @@
 #include "config.h"
 
 #include <QObject>
+#include <QString>
 
 class FileSystemWatcherInterface : public QObject {
   Q_OBJECT
  public:
   explicit FileSystemWatcherInterface(QObject *parent = nullptr);
   virtual void Init() {}
-  virtual void AddPath(const QString& path) = 0;
-  virtual void RemovePath(const QString& path) = 0;
+  virtual void AddPath(const QString &path) = 0;
+  virtual void RemovePath(const QString &path) = 0;
   virtual void Clear() = 0;
 
-  static FileSystemWatcherInterface* Create(QObject *parent = nullptr);
+  static FileSystemWatcherInterface *Create(QObject *parent = nullptr);
 
 signals:
   void PathChanged(const QString &path);