- Added Replay.save() method to save replays to a file.
- Separated Replay loading from the constructor into a load() method.
- Added OsuWriter class to write replays.
- Parse replay seeds (what do they do?).
- Added Updater.getBuildDate() method to retrieve the current build date (for the replay 'version' field).
- Added osu! mode constants in OsuFile.
- Added methods to retrieve raw ReplayFrame coordinates.
- Added replay fields/methods to GameData and Game state.
- Added jponge/lzma-java dependency for LZMA compression, since it isn't implemented in Apache commons-compress...
Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>