Update headers (utils)

utils/spacelite-utils.el

@@ -1,2 +1,12 @@
+;; Copyright (c) 2017 Hüseyin Zengin
+;; Copyright (c) 2019 David Trudgian
+;;
+;; Author: Hüseyin Zengin <hzenginx@gmail.com>
+;; URL: https://github.com/hzenginx/spacelite
+;; Modified: David Trudgian <dave@trudgian.net>
+;; URL: https://github.com/dctrud/spacelite
+;;
+;; This file is not part of GNU Emacs.
+;;
 (defun spacelite/init-utils ())
 (provide 'spacelite-utils)