Merge remote-tracking branch 'upstream/master'

Makefile

PYTHON-MANIFEST.in

build.yaml

setup.py

src/core/iomgr/tcp_server.h

src/core/iomgr/tcp_server_posix.c

src/core/iomgr/tcp_server_windows.c

src/core/security/server_secure_chttp2.c

src/core/surface/server_chttp2.c

src/core/surface/version.c

src/csharp/Grpc.Auth/Grpc.Auth.csproj

src/csharp/Grpc.Auth/packages.config

src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj

src/csharp/Grpc.Core.Tests/packages.config

src/csharp/Grpc.Core/Grpc.Core.csproj

src/csharp/Grpc.Core/Grpc.Core.nuspec

src/csharp/Grpc.Core/VersionInfo.cs

src/csharp/Grpc.Core/packages.config

src/csharp/Grpc.Examples.Tests/Grpc.Examples.Tests.csproj

src/csharp/Grpc.Examples.Tests/packages.config