This commit fixes the paths in the coveragerc file. It was incorrectly
set to look for source in the 'elastic-recheck' directory, but that
directory was renamed soon after the project to 'elastic_recheck'.
Make repo support 'tox -epep8' as we want this to be the first gating
Don't make any actual code changes, just change setup and add files.
Further work is needed to re-organize the code, but that can be in a