Decouple auth and from jabbr.state cookie.
Require authorization on Chat.cs
Moved membership code into membership service.
- Added nancy into the mix for authentication.
- Ping auth url to see if user has a valid user id cookie.
Added basic username password validation again.
- Removed /nick command
- Updated tests.
- Added nancy end point for authentication.
- Added principal to pipeline if user cookie is good.