Initial revision
added .gitignore and iws files
Simple socket io interaction.
Do not use websocket on heroku.

http://servertroubles.blogspot.com.au/2012/10/socketio-cannot-connect-to-server-heroku.html

io.configure(function () {
  io.set("transports", ["xhr-polling"]);
  io.set("polling duration", 10);
});
Enabled websockets on heroku.
publish to all clients
merge .gitignore