[discovery-api] v2 of NSD implementation on github

I have uploaded v2 of my NSD implementation on github 
(https://github.com/COLTRAM/nsd).
It follows the latest draft, with in particular:
- promises (based on cujojs/when promise/a+ implementation)
- a hook for adding user validation

It still works on desktop OSs with all major browsers, as a discovery 
proxy implemented in Java and communicating with the webapps through 
WebSocket or socket.io.
An extended version has been tested on Android with WebView and Chrome, 
and proxying on another device has been tested with iOS devices and 
HbbTV-compliant TVs.
Best regards
JC
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