* add brakeman to Gemfile

* Enable CodeClimate brakeman checks

* add config/brakeman.ignore

* add bundler-audit to Gemfile

* Enable CodeClimate bundler-audit checks

* Exclude javascript locale files form Code Climate's duplication
  engine. It is silly to have duplication check with locale files.
  They are supposed to look similar.

* Prevent unnecessary blocking for translation updates (like #1661)

Created a .codeclimate.yml configuration file that will work with your existing configurations for ESLint and Rubocop.