Merge pull request #1472 from ctiller/bye-bye-completion-queue-pie

Makefile

build.json

include/grpc/grpc.h

src/core/surface/call.c

src/core/surface/call.h

src/core/surface/completion_queue.c

src/core/surface/completion_queue.h

src/core/surface/event_string.c

src/core/surface/server.c

src/cpp/client/client_context.cc

src/cpp/common/completion_queue.cc

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

src/csharp/Grpc.Core/Internal/AsyncCall.cs

src/csharp/Grpc.Core/Internal/AsyncCallBase.cs

src/csharp/Grpc.Core/Internal/AsyncCallServer.cs

src/csharp/Grpc.Core/Internal/CallSafeHandle.cs

src/csharp/Grpc.Core/Internal/Enums.cs

src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs

src/csharp/Grpc.Core/Server.cs

src/csharp/ext/grpc_csharp_ext.c