message: Update to "TensorFlow has passed version 1.0" - CONTRIBUTING.md
diff: @@ -72,7 +72,7 @@ TensorFlow coding style.
  [tensorflow/core](https://github.com/tensorflow/tensorflow/tree/master/tensorflow/core)
  and
  [tensorflow/python](https://github.com/tensorflow/tensorflow/tree/master/tensorflow/python).
  - TensorFlow has reached version 2 and hence cannot make
  + TensorFlow has passed version 1.0 and hence cannot make
  non-backward-compatible API changes without a major release. Reviewers of
  your pull request will comment on any API compatibility issues.
  * When you contribute a new feature to TensorFlow, the maintenance burden is
  