Merge pull request #9042 from soltanmm-google/science-illiteracy-is-becoming-an-existential-threat-as-we-turn-scientists-into-living-cassandra-metaphors

Up-version Python for backports

Merge pull request #8990 from soltanmm-google/have-fun-filling-in-the-blanks-of-reality-with-belief-structures

Backport Python features to v1.0.x

Backports per-object grpc_init/deinit and separated-file grpc protoc
codegen (#7538, #8246, #8920).

Refactor channel call management.

Merge pull request #8970 from soltanmm-google/profit-driven-education-seems-like-a-pretty-obvious-echo-chamber-spiral-now-that-I-think-about-it

Fix test runner failures for Python on Windows

Update ruby protobuf to 310

Fix ruby shutdown

turn on Thread.abort_on_exception in ruby unit tests by default

The requirement that any created managed call must have operations
performed on it is obstructing proper handling of the case of
applications providing invalid invocation metadata. In such cases the
RPC is "over before it starts" when the very first call to
start_client_batch returns an error.

wait for write loop to finish at end of ruby read loop, on client side calls

Advance objective c version to v1.0.2

Re-enable Node 7 artifact build

Backport: Send RST_STREAM from client when it receives trailing metadata without the corresponding RST_STREAM

This reverts commit 10790401.

This reverts commit 59af1bf4.

Generate c# client stubs as partial classes

example changes to update to 1.0.1