* Put packages back into 'ship' which were unintentionally skipped in 3.0 refactoring
* Libuv transport for kestrel
* Http connection abstractions shared by SignalR client and Kestrel.
* Microsoft.AspNetCore.SignalR.Protocols.NewtonsoftJson - this wasn't moved to the right category when it was added
* Make dotnet-* packages internal-only. They were only shipped to NuGet.org because we had not yet enabled source-build. We plan to implement source-build in 3.0 (#3752)
* Make Microsoft.Extensions.Identity.* packages shared-framework only (see #4523).
* Remove unused entries for packages that moved to aspnet/AspNetCore-Tooling
* Add comments in the artifacts.props document for why each 'noship' package is in this category.
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