Upgrade to Visual Studio 2017 + csproj tooling#406

Merged

Daniel15 merged 14 commits intomasterfrom vs2017

May 11, 2017

+635-944

Commits on May 8, 2017

[WIP] Upgrade to Visual Studio 2017 + csproj tooling
Daniel15
committed
Include workaround for NuGet/Home#4337 (explicitly specify version when restoring NuGet packages)
Daniel15
committed

Commits on May 10, 2017

Commits on May 11, 2017

Use newer npm on AppVeyor (as a workaround for https://github.com/dotnet/cli/issues/6561 and dotnet/msbuild#406 ), and run correct test command
Daniel15
committed
Remove empty PropertyGroup and unnecessary BuildSuffix property from build.proj
Daniel15
committed