adding adapter and p2phandshake from WebRTC P2P demo
reverted to unedited version of example file
Merge branch 'master' of https://github.com/bchu/nodetron into jseip1679
added comments and tweaks to sample code
added step-by-step WebRTC handshake comments
Merge branch 'master' of https://github.com/bchu/nodetron into jseip1679