Use mobile phones as remote controllers for a Pong game.

From github:

$ git clone .../multiplayer-pong.git
$ cd multiplayer-pong
$ git submodule init
$ git submodule update
$ npm install

1. Edit config/config.json:

Set domain to your host domain or nat ip.

2. Run the server:

   $ sudo node server/server.js

3. On the browser go to:

   http://your-domain/

Tested only on node v0.10.13