Don't fail a build on failure to kill a docker instance

Use a custom exception in test_control

Status code conformance in grpc._links

C# add generated docs

It's quite ok for a docker instance to already be dead.

Make certain constants unsigned to avoid triggering -Wsign-compare

sockaddr_resolver now supports comma-separated list of IPs

Made udp_server.c compile for iOS

Adding grpc::string_ref class

- Strict subset of
  http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3442.html
- Useful to avoid unnecessary string copies.

Use of ValueError is too easily misconstrued as an actual defect in the
system under test.

Four small Python bugfixes

Fix parameter reassignment defect

A test suite for the RPC Framework Face interface

While a full Cartesian product across all variables isn't yet present
this is still reasonably comprehensive.

Header rearrangement

Remove ChannelInterface and replace it with Channel

Add a "transport" field to links.Ticket

This defect was introduced in 515b0a93.

Assert http2 header ordering

Expanded grpc_server_request_call's docstring

Move the default roots check before allocation

Eliminate public thread-pool interface

Added C API functions for compression args handling (w/ tests)