Add review bot tool for doc8

Review Request #9489 — Created Jan. 16, 2018 and submitted — Latest diff uploaded

Information

ReviewBot
release-1.0.x

Reviewers

doc8 is a style checker for Sphinx (or other)
RST documentation.

doc8 is like flake8 for reStructuredText.

https://pypi.python.org/pypi/doc8

Uploaded a diff an .rst file as review request as saw that
it added some "errors" of this reStructuredText file.

Uploaded a "clean" .rst file and saw that it did no
add any errors.