* Split http and non-http layers - This change introduces Microsoft.AspNetCore.SignalR.Http and Microsoft.AspNetCore.Sockets.Http which expose extension methods on IAppBuilder for wiring up a sockets and signalr pipeline.
Target netcoreapp2.0
* Fixing a misplaced test file
* Converted samples and test projects to run on netcoreapp2.0
Unifying errors in transports