Missing licence information

[okuuva]

This example application is great at demoing PubNub framework. But in order to really expand it and / or use it as a part of some other application I'd like to know what licence is this example licenced under? Saying it's open source and encouraging people to expand it and making it our own is nice, but to avoid any confusion and legal issues I'd like to see a mention about used licence in the readme and / or having a separate licencing file describing the used licence in detail.