Merge branch 'v1.0.x' of https://github.com/grpc/grpc into manual-upmerge

examples/ruby/route_guide/route_guide_server.rb

grpc.gemspec

package.json

package.xml

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

src/csharp/Grpc.Auth/Grpc.Auth.nuspec

src/csharp/Grpc.Auth/packages.config

src/csharp/Grpc.Auth/project.json

src/csharp/Grpc.Core.Tests/SanityTest.cs

src/csharp/Grpc.Examples.MathClient/project.json

src/csharp/Grpc.Examples.MathServer/project.json

src/csharp/Grpc.Examples/project.json

...ationTesting.Client/Grpc.IntegrationTesting.Client.csproj

src/csharp/Grpc.IntegrationTesting.Client/packages.config

...esting.QpsWorker/Grpc.IntegrationTesting.QpsWorker.csproj

src/csharp/Grpc.IntegrationTesting.QpsWorker/app.config

src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json

...ationTesting.Server/Grpc.IntegrationTesting.Server.csproj

src/csharp/Grpc.IntegrationTesting.Server/packages.config

src/csharp/Grpc.IntegrationTesting.StressClient/project.json