Tidies the Disk file hierarchy.

Storage/Disk/Track/UnformattedTrack.cpp

@@ -0,0 +1,26 @@
+//
+//  UnformattedTrack.cpp
+//  Clock Signal
+//
+//  Created by Thomas Harte on 15/08/2017.
+//  Copyright © 2017 Thomas Harte. All rights reserved.
+//
+
+#include "UnformattedTrack.hpp"
+
+using namespace Storage::Disk;
+
+Track::Event UnformattedTrack::get_next_event() {
+	Track::Event event;
+	event.type = Event::IndexHole;
+	event.length = Time(1);
+	return event;
+}
+
+Storage::Time UnformattedTrack::seek_to(const Time &time_since_index_hole) {
+	return Time(0);
+}
+
+Track *UnformattedTrack::clone() {
+	return new UnformattedTrack;
+}