Add proxy settings for WebSocket connections for .NET 451 and 461 and add option to specify the SSLProtocol and CertificateValidationCallback  in TLS options, SSLProtocol default is TLS1.2

Small fix for inconsistent client name in log

Fix pause/resume of ClientKeepAliveMonitor

Skip build uap10.0 when using dotnet cli

Connection handler with websockets

hide overload that does not provide options