Add review bot tool for clang-tidy

Review Request #9646 — Created Feb. 16, 2018 and discarded — Latest diff uploaded

Information

ReviewBot
release-1.0.x

Reviewers

This bot provides a prepare step to let the user generate the
required compilation database and initialise the build environment
that is necessary for clang-tidy to find any includes and dependencies.

After that clang-tidy will be called to analyse the files.