/*! Moment Duration Format v2.2.2
     *  https://github.com/jsmreese/moment-duration-format
     *  Date: 2018-02-16
     *
     *  Duration format plugin function for the Moment.js library
     *  http://momentjs.com/
     *
     *  Copyright 2018 John Madhavan-Reese
     *  Released under the MIT license
     */
