Fix settings names for Heroku
Fix settings names for Heroku

Use _ instead of . in settings names

lorenzogil/yith-library-web-client,lorenzogil/yith-library-web-client,ablanco/yith-library-web-client,ablanco/yith-library-web-client,lorenzogil/yith-library-web-client,ablanco/yith-library-web-client,lorenzogil/yith-library-web-client,ablanco/yith-library-web-client