message: docs: add ndhoule/clone copyright
diff: @@ -6,6 +6,26 @@ var type = require('component-type');
  * Deeply clone an object.
  *
  * @param {*} obj Any object.
  + *
  + * COPYRIGHT: https://github.com/ndhoule/clone/blob/master/LICENSE.md
  + * The MIT License (MIT)
  + * Copyright (c) 2015 Nathan Houle
  + * Permission is hereby granted, free of charge, to any person obtaining a copy
  + * of this software and associated documentation files (the "Software"), to deal
  + * in the Software without restriction, including without limitation the rights
  + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  + * copies of the Software, and to permit persons to whom the Software is
  + * furnished to do so, subject to the following conditions:
  + *
  + * The above copyright notice and this permission notice shall be included in
  + * all copies or substantial portions of the Software.
  + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  + * THE SOFTWARE.
  */
  var clone = function clone(obj) {
  