sessions with express and sockets
user sign in through google. user account tied to socket and express session through passport. this is a headache, and some of the code i don't fully understand. but it works. I think.
use localhost:3000 for google sign in if development
user sign in through google. user info displayed on page if a user is signed in.
Merge pull request #3 from jratner/users-sessions

Users sessions
Merge branch 'master' of https://github.com/jratner/obiechat into set-up-less