/*! 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
 */