Merge remote-tracking branch 'dotnet/release/15.5' into merges/release/15.5-to-master-20171206-080040

* dotnet/release/15.5: (26 commits)
  Fixing the reference to Microsoft.Build.Runtime from Cli.Utils.Tests. It was using the wrong package version property.
  One more old style version package name needed to change in redist.
  Fixing the versions of MSBuild and passing the right property to find roslyn files.
  Use "15.5.179" for the other Microsoft.Build.* packages
  Moving the 'MicrosoftBuildPackageVersion' forward.
  Fixing "RuntimeFrameworkVersion"
  Updating version naming convention.
  Fixed a typo...
  Nuget.config update to align with CLI:master - add comments in DependencyVersions.prop
  Even more package dependency re-names...
  Third pass clean-up of package names.
  Second pass clean-up of package names; resequencing download.
  Updating dependency version properties in alignment with sample orchestrated build file at: https://dotnetfeed.blob.core.windows.net/orchestrated/20171129-03/orchestration-metadata/PackageVersions.props
  The access key is already resolved: 'CoreSetupBlobAccessTokenParam'
  Fixed another typo...
  Fixed typo...
  The first pass will need the extra args [same as run-build.ps1].
  Dependency Uptake: download and import a package version props file.
  Accounting for MSRC builds with pre-set 'CoreSetupBlobRootUrl' and 'CoreSetupBlobAccessToke' properties.
  Changes per code review...
  ...

	TestAssets/NonRestoredTestProjects/DotnetAddP2PProjects/EmptyItemGroup/EmptyItemGroup.csproj
	TestAssets/NonRestoredTestProjects/DotnetAddP2PProjects/Lib/Lib.csproj
	TestAssets/NonRestoredTestProjects/DotnetAddP2PProjects/Net452AndNetCoreApp10Lib/Net452AndNetCoreApp10Lib.csproj
	TestAssets/NonRestoredTestProjects/DotnetAddP2PProjects/ValidRef/ValidRef.csproj
	TestAssets/NonRestoredTestProjects/DotnetAddP2PProjects/WithDoubledRef/WithDoubledRef.csproj
	TestAssets/NonRestoredTestProjects/DotnetAddP2PProjects/WithExistingRefCondOnItem/WithExistingRefCondOnItem.csproj
	TestAssets/NonRestoredTestProjects/DotnetAddP2PProjects/WithExistingRefCondWhitespaces/WithExistingRefCondWhitespaces.csproj
	TestAssets/NonRestoredTestProjects/DotnetAddP2PProjects/WithRefNoCondNonUniform/WithRefNoCondNonUniform.csproj
	TestAssets/TestProjects/AppWithMultipleFxAndTools/MSBuildAppWithMultipleFrameworksAndTools.csproj
	TestAssets/TestProjects/MSBuildAppWithMultipleFrameworksAndTools/MSBuildAppWithMultipleFrameworksAndTools.csproj
	TestAssets/TestProjects/XunitMulti/VSTestXunitDesktopAndNetCore.csproj
	build/BundledTemplates.props
	build/DependencyVersions.props
	build/NugetConfigFile.targets
	build/Test.targets
	build_projects/dotnet-cli-build/dotnet-cli-build.csproj
	dir.props
	run-build.sh
	src/Microsoft.DotNet.Archive/Microsoft.DotNet.Archive.csproj
	src/Microsoft.DotNet.Cli.Utils/Microsoft.DotNet.Cli.Utils.csproj
	src/Microsoft.DotNet.Configurer/Microsoft.DotNet.Configurer.csproj
	src/dotnet/dotnet.csproj
	src/redist/redist.csproj
	src/tool_fsharp/tool_fsc.csproj
	test/ArgumentForwardingTests/ArgumentForwardingTests.csproj
	test/EndToEnd/EndToEnd.csproj
	test/Microsoft.DotNet.Cli.Sln.Internal.Tests/Microsoft.DotNet.Cli.Sln.Internal.Tests.csproj
	test/Microsoft.DotNet.Cli.Utils.Tests/Microsoft.DotNet.Cli.Utils.Tests.csproj
	test/Microsoft.DotNet.Tools.Tests.Utilities/Microsoft.DotNet.Tools.Tests.Utilities.csproj
	test/Msbuild.Tests.Utilities/Msbuild.Tests.Utilities.csproj
	test/binding-redirects.Tests/binding-redirects.Tests.csproj
	test/dotnet-add-package.Tests/dotnet-add-package.Tests.csproj
	test/dotnet-add-reference.Tests/dotnet-add-reference.Tests.csproj
	test/dotnet-back-compat.Tests/dotnet-back-compat.Tests.csproj
	test/dotnet-help.Tests/dotnet-help.Tests.csproj
	test/dotnet-migrate.Tests/dotnet-migrate.Tests.csproj
	test/dotnet-new.Tests/dotnet-new.Tests.csproj
	test/dotnet-remove-package.Tests/dotnet-remove-package.Tests.csproj
	test/dotnet-remove-reference.Tests/dotnet-remove-reference.Tests.csproj
	test/dotnet-restore.Tests/dotnet-restore.Tests.csproj
	test/dotnet-sln-add.Tests/dotnet-sln-add.Tests.csproj
	test/dotnet.Tests/dotnet.Tests.csproj