NPM + Nuget v3.0.0-pre

This release provides the following new features:

• Integration with SignalR .NET Core v1.0.0-preview2-final (both client and server must be upgraded).
• New reactive APIs AddInternalProperty, SubscribedBy and Unsubscribe.
• Support for ASP.NET DI Scoped lifetime (services created once per connection).

Other updates:

• Prevent value sent by client from getting included in the response if the property type is an array.
• Defer registration exception being thrown until initial view model access (dsuryd/dotNetify-react-template#15).