align f# web package versions (dotnet#4985)

Merge pull request dotnet#4682 from livarcocc/force_preview2_1_rebuild

Updating some documentation to force a rebuild of preview2.1.

Merge pull request dotnet#4622 from piotrpMSFT/bumpSdkVersion

Bump sdk version

Merge pull request dotnet#4446 from livarcocc/fix_projectmodel_perf

Applying @brthor perf improvement to GetTypeBuildExclusionList.

Merge pull request dotnet#4119 from dotnet/preview2-upgrade

Upgrade Corefx and coreclr references

fix typo in dotnet-install file

This was needed to rebuild the CLI with the updated Roslyn NuGet packages.

Thanks goes to @akoken for the fix.

Update NuGet.* dependencies of CLI to use 3.5.0-beta-final (dotnet#3005)

Update NuGet.* dependencies of CLI to use 3.5.0-beta-final (dotnet#3005)