Joseph Frazier d7aaaee0dd Add lint script, run it on Travis, prettify source code (#1634) ...

* Add `lint` script with eslint-plugin-prettier, use it in `format:all`

See https://github.com/prettier/prettier/pull/1634#issuecomment-302945967

* Run `lint` script on Travis

* Run Prettier on its own source code

This was done with

    npm run format:all

2017-05-21 11:00:16 -07:00

..

prettier.js

Add lint script, run it on Travis, prettify source code (#1634)

2017-05-21 11:00:16 -07:00