Bump babel-eslint to 4.1.8
Bump babel-eslint to 4.1.8

Patches:
https://github.com/babel/babel-eslint/compare/v4.1.3...v4.1.8

codeclimate/codeclimate-eslint,derekhubbard/codeclimate-eslint,codeclimate/codeclimate-eslint,derekhubbard/codeclimate-eslint