Environment variables

• EXCEPTIONS: If set to throw, the game server will throw exceptions and crash the server instead of storing them in the database.
• TYPEKIT: Enables typekit fonts in development mode. Use it if you want the website to look pretty.
• NOSTYLUS: Disables stylus middleware. Makes the web server faster, but you have to manually compile the stylus files yourself before starting the server.
• PORT: The port the web server listens on. Default is 3000.
• MIXPANEL: Enable mixpanel reporting. Use if you want to test mixpanel event tracking during development.