Server listen port can now be defined in environment variables (usefu…

…l for Heroku, CloudBees, cloud9), fallback to 8080

site/server.js

@@ -2,7 +2,8 @@ var app = require('express')();
 var server = require('http').createServer(app);
 var webRTC = require('webrtc.io').listen(server);
 
-server.listen(8000);
+var port = process.env.PORT || 8080;
+server.listen(port);