- Ripped of Kestrel's SocketConnection to make a TcpConnection
IConnection implementation.
- Fixed issue with SignalR assuming there will always be a non-null user
on the ConnectionContext.
* fix issue with incorrect user detection when Invoking for User
* fix failed testcases
* use proper extension method to avoid potential null reference exception
* fix for channel name in redis version + follow SignalR team recommendations
* remove unncessary freespace
* remove whitespaces
* introduce IUserIdProvider to resolve user id
* Move IUserIdProvider from HubLifetimeManager to HubConnectionContext
* setting user id to connection context in hubendpoint
James Newton-King
David Fowler
ivankarpey