The removes the need to ship packages for assemblies which are part of Microsoft.AspNetCore.App. The implementation of this requires first building packages, and then modifying .nuspec's and categorizing packages as "noship". This will be cleaned up in the future as we continue to refactor the way this repository builds.
* Replace the aspnet/JsonPatch git submodule and merge the master branch of its source to this repo
* Likewise for aspnet/DotNetTools
* And aspnet/HtmlAbstractions
* merge latest infrastructure changes from the release/2.2 branch