Add a "transport" field to links.Ticket

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)

Remove accidental dependency on zookeeper in shutdown_test

Add cancel_all_calls to Python server.

Add a test of non-blocking API behavior

Have a richer interface for auth metadata processors.

The (new) face interface of RPC Framework.

This will be used for communication of transport-specific values and
objects up to applications.

This is the public API of the old face package of RPC Framework
extracted into a first-class interface and adapted to metadata, status,
and flow control.

c# response headers support and code simplification

The RPC Framework core package.

The tests don't currently get discovered by py.test due to their use of
the Python 2.7+ load_tests protocol.

Allow Node server credentials to have multiple key/cert pairs

Update node health check service

This is the second generation of the old base package (framework.base)
and implements the translation between the new links and base
interfaces.