Add demo to readme
Allow multiple sessions for users. Don't use a seperate session store for now.
Use findOrCreateUser method
Merge branch 'feature-multiple-sessions-per-user' into feature-heroku-packaging
owaps html sanitizer replaces = with its html entity. Markdown needs the plain = to recognize it as a markdown tag so we convert it back on the client.
Merge branch 'master' into feature-heroku-packaging