Method listMilestones

lib/Issue.js:145–147

* List the milestones for the repository * @see https://developer.github.com/v3/issues/milestones/#list-milestones-for-a-repository * @param {Object} options - filtering options * @param {Requestable.callback} [cb] - will receive the array of milestones * @return {Promise} - the prom

(options, cb)

    * @return {Promise} - the promise for the http request
    */
   listMilestones(options, cb) {
      return this._request('GET', `/repos/${this.__repository}/milestones`, options, cb);
   }

   /**
    * Get a milestone