Add full-repository support for Review Bot tools with Mercurial

Review Request #9498 — Created Jan. 19, 2018 and submitted — Latest diff uploaded

Information

ReviewBot
release-1.0.x
9017c7a...

Reviewers

Add full-repository support for Review Bot tools with Mercurial

Configured clang as checker and saw that the repository could
be cloned and pulled. Also saw that it created and removed a
correct working tree.