Beatmap Format

I've tweaked the format since SIF Train into something more simple.

Sample:

{"metadata":{"songName":"TUTORIAL","songFile":"song_0","composer":"TUTORIAL","lyricist":"TUTORIAL","id":0,"difficultyName":"Debut","difficulty":0,"attribute":0,"bpm":60,"duration":9.6},"notes":[{"id":1,"timing":0.6,"type":1,"startPos":3,"endPos":3,"status":0,"sync":0,"groupId":0,"nextNoteId":0,"prevNoteId":0},{"id":2,"timing":1.8,"type":1,"startPos":3,"endPos":3,"status":0,"sync":0,"groupId":0,"nextNoteId":0,"prevNoteId":0},{"id":3,"timing":3.0,"type":1,"startPos":3,"endPos":3,"status":0,"sync":0,"groupId":0,"nextNoteId":0,"prevNoteId":0},{"id":4,"timing":4.2,"type":1,"startPos":3,"endPos":3,"status":0,"sync":0,"groupId":0,"nextNoteId":0,"prevNoteId":0},{"id":5,"timing":5.4,"type":1,"startPos":3,"endPos":3,"status":0,"sync":0,"groupId":0,"nextNoteId":0,"prevNoteId":0},{"id":6,"timing":6.6,"type":1,"startPos":3,"endPos":3,"status":0,"sync":0,"groupId":0,"nextNoteId":0,"prevNoteId":0},{"id":7,"timing":7.8,"type":1,"startPos":3,"endPos":3,"status":0,"sync":0,"groupId":0,"nextNoteId":0,"prevNoteId":0},{"id":8,"timing":9.0,"type":1,"startPos":3,"endPos":3,"status":0,"sync":0,"groupId":0,"nextNoteId":0,"prevNoteId":0}]}