Forcing SSL for Azure PLUS adding WebSockets support

Forcing SSL for Azure
Node Debugging Support for Azure
Correct Git Attributes
Node web.config for Azure, and removed it from gitignore
Yes, this should work for everyone.
The docs and some trials indicate that it falls back to `xhr-polling`.  It's actually one of socket.io's big selling features, so it was actually a little odd for us to have disabled everything.  It does require slight modification to instructions, @jwedding :
![websockets on](https://files.gitter.im/nightscout/public/Vz1G/websocketson.PNG)