Remove dependencies on jQuery, remove local bootstrap CSS. Modify message logic to send updates to server only when necessary.
Use bootstrap navbar with fixed location for debug information. Move out debug code from index.html script tags to game.js
Stop arrow and space keys from scrolling the window on keypress.
Add debug code and send function to the game object rather than as top-level statements.
Refactor game and player models. Add distinct flag for acceleration. Refactor message passing. Improve game encapsulation.
Remove superfluous logging to console.