Merge pull request dotnet#2273 from johnbeisner/FixPerformance

Putting back the 'perf' property switch

Merge pull request dotnet#2194 from dsplaisted/self-contained-publish

Support overriding MSBuildProjectExtensionsPath for a specific project via global properties

Merge pull request dotnet#1939 from natidea/updateSupportedFx

Add .NET Core 2.1 to list of supported target frameworks

Merge pull request dotnet#1741 from joperezr/ManualOverrideShims

Adding one more condition so that we can override adding shims for net471 in case they are required

Merge pull request dotnet#1741 from joperezr/ManualOverrideShims

Adding one more condition so that we can override adding shims for net471 in case they are required

Merge pull request dotnet#1741 from joperezr/ManualOverrideShims

Adding one more condition so that we can override adding shims for net471 in case they are required

Publish the SDK NuGet packages to the Transport Feed (dotnet#1687)

* Publish the SDK NuGet packages to the Transport Feed.
dotnet#1637

* Changes per code review...

Merge pull request dotnet#1610 from dotnet/revert-1582-updateNetFxNS2…

…Bits

Revert "Update support libraries to those that are only lib."

Merge pull request dotnet#911 from nguerrera/windows-pdb

Use windows PDB for symweb compat

Merge pull request dotnet#819 from nguerrera/version-issue

Set version early enough not to be overridden by winfx targets on desktop