mpp-ts

Multiplayerpiano.com files in typescript

Kill JQuery
Do something about the Synth (we need a replacement)
Possibly fix up the midi engine if needed
Renaming of some classes and variables (MultiplayerPianoClient, internalInterface, Handlers / Managers)
TSify ebsprite.js
Update and beautify css styles and html
Fix ease-in and ease-out classes in RoomManager.ts (They've been broken for ages)
Have not tested this with multiple clients