[webrtc-pc] Pull Request: More complete example

aboba has just submitted a new pull request for 
https://github.com/w3c/webrtc-pc:

== More complete example ==
Work-in-progress (do not merge). 

Add server.js and index.html files for an example
Fix for Issue https://github.com/w3c/webrtc-pc/issues/959

See https://github.com/w3c/webrtc-pc/pull/1012