Harmonium v1 beta2

A new beta of the Wii music doodling application has been released. New in this beta is a bunch of features such as grid shifting, adjustable volume/tempo and a new timing mechanism.Changelog: * Implemented a few features I'd like feedback on before implementing the rest and releasing v1. * New features: - Adjustable tempo - Adjustable volume - 2 new GoL modes - Grid shifting - 64 grid history - New timing mechanism means even playback - Typematic to make grid shifting and history browsing faster and easier.