- Stop producing the 'Universe' lineup package
- Removes all PackageLineup code
- Use full msbuild on Windows
- Fix invalid reference to internal.aspnetcore.sdk in 2.1.x
- Fix shared folder references for PackageArchive task.

Prior to reorganization, this source code was found in https://github.com/aspnet/AADIntegration/tree/0efa96de73e3235fbfc55cfe51d9547a693010cc

Prior to reorganization, this source code was found in https://github.com/aspnet/Hosting/tree/3f7ee338d4cdd1c49bb965338ad7b118fa070a83

Prior to reorganization, this source code was found in https://github.com/aspnet/http/tree/d142d58eb43626961117136c51993d51dfb7371d

Prior to reorganization, this source code was found in https://github.com/aspnet/Metapackages/tree/975011071b02f6937261c604fcde48d7e43030ce

Prior to reorganization, this source code was found in https://github.com/aspnet/AADIntegration/tree/6f02048c3c5c0ee6684c241721422c2b8eebddbc

Prior to reorganization, this source code was found in https://github.com/aspnet/JavascriptServices/tree/ea3a7bc8974271d6e9eeb9e890f23f953b8b40e2

Prior to reorganization, this source code was found in https://github.com/aspnet/templating/tree/d26f89a6bcb649438cee1b851a682caac4363204

Prior to reorganization, this source code was found in https://github.com/aspnet/AuthSamples/tree/7383e532c9bbfaf843a137d627ba824694529507

Prior to reorganization, this source code was found in https://github.com/aspnet/AzureIntegration/tree/031a2ed214529194d95d8deed50287760163ffae

Prior to reorganization, this source code was found in https://github.com/aspnet/AzureIntegration/tree/47e2ba3755450c584990480c23331d286ffa78cf

Prior to reorganization, this source code was found in https://github.com/aspnet/AuthSamples/tree/d861b7051505fe3f86d1498fd065e98cdd602313

Prior to reorganization, this source code was found in https://github.com/aspnet/templating/tree/3f26b56fefaa559d1ca9ba9181a249c0af26b9c3

Prior to reorganization, this source code was found in https://github.com/aspnet/MusicStore/tree/33978da1f710bfa4db510e7003ced482998c579f

Prior to reorganization, this source code was found in https://github.com/aspnet/MusicStore/tree/c14416f26f3f575665d5142a4b9f677487cfcef4

Prior to reorganization, this source code was found in https://github.com/aspnet/KestrelHttpServer/tree/4598850c20047554d59b08e3d1edab47c2d7fe69

Prior to reorganization, this source code was found in https://github.com/aspnet/CodeGenerator/tree/15ba5065a9b220f545eb3118d9e552f0b7e824d0

Prior to reorganization, this source code was found in https://github.com/aspnet/DotNetTools/tree/eba014d534ef34ea88ce6c3879b92743b825a7fe

This changes DataProtection to build as projects instead of a pseudo-submodule. It replaces Package and ProjectReference with <Reference> items which custom targets then resolve.

Prior to reorganization, this source code was found in https://github.com/aspnet/HtmlAbstractions/tree/252ae0c434d93f5bfaf949c35edb9ef59730d0a3

Prior to reorganization, this source code was found in https://github.com/aspnet/JsonPatch/tree/218064c300a7cf5a76669e133340a98a0c5517a5

Changes:
* This removes MSBuild targets which invoke `docker` commands to build
   deb and rpm installers
* Remove installer targets from the KoreBuild context. Put them into
   separate project files
* Simplify the targets used to build installers by reducing duplicate
   variable names and deeply nested MSBuild contexts
* Remove unused dependencies from the Docker build context

Changes:
* Sign shared fx zips
* Sign metapackages
* Disable signing on inner repo builds and instead sign all packages at the end
* Add a list of files from other Microsoft teams which can be excluded from signing
* Add a list of 3rd party assemblies which are bundled in the shared frameworks.