- Various fixes for sound system.
- Code cleanup and refactoring.
- Move boilerplate code to engine.
- Texture management is moved to engine. Game code uses asset names and
doesn't know about textures.
- Multi-touch support.
- GN build (WIP)
- Add LOG_DIFF, CHECK, DCHECK and NOTREACHED.
- Implement global thread-pool for Worker.
- Use TaskRunner in ThreadPool.
- Font: Cover all ASCII chars.
- Option to disable audio and vibration.