If you run |mach eslint| it will install a bunch of eslint related node_modules. Some of these
modules have '.lint' files in them which erroneously get picked up by the flake8 linter. This
patch makes sure that bare '.lint' files do not get included, they must have some kind of file
name first.

MozReview-Commit-ID: IvBfErnV6jm

--HG--
extra : rebase_source : f8d7aea88a68d830b06c4591ac6862b02554d21c