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/urlhandler.cpp

@@ -17,8 +17,14 @@
  * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
  * 
  */
+
 #include "config.h"
 
+#include <QtGlobal>
+#include <QObject>
+#include <QUrl>
+#include <QIcon>
+
 #include "urlhandler.h"
 
 UrlHandler::LoadResult::LoadResult(const QUrl &original_url, Type type, const QUrl &media_url, qint64 length_nanosec) : original_url_(original_url), type_(type), media_url_(media_url), length_nanosec_(length_nanosec) {}