* Update dotnet-client.md
remove double send
Remove `you` when it doesn't add clarity. You aren't sending/receiving, the client is. It's more clear without you.
* simplify intro
* Fix SignalR .NET client sample app
* Adjust line numbers in associated doc
* Fix HintPaths
* Convert packages.config to PackageReferences
* Add launchSettings.json to ensure same port WPF app expects is used