chore(dependencies): upgrade eslint-config-airbnb and eslint-config-airbnb-base
chore(dependencies): upgrade eslint-config-airbnb and eslint-config-airbnb-base

Breaking Change: eslint-config-airbnb upgraded to v15. @see https://github.com/airbnb/javascript/blob/master/packages/eslint-config-airbnb/CHANGELOG.md#1500--2017-05-14

Breaking Change: eslint-config-airbnb-base upgraded to v12: @see https://github.com/airbnb/javascript/blob/master/packages/eslint-config-airbnb-base/CHANGELOG.md#1200--2017-09-02

Availity/eslint-config-availity,Availity/eslint-config-availity