Implemented localStorage (with an appropriate polyfill) to save the current user. Maybe in future it would be better to save a session, but two people with the same name could just be handled server side and refused a join. Fixes #3
added margin to wrapper
Removed heroku options, mostly fixes #8
JSLint compliance. This is a breaking change, but quality code first, right?
return  Chat as a global
Made app more generic for code reuse
Fixed a few bugs concerning the pull request
Modified the README to make it as complete as it can be
Converted app.js to coffeescript