readme cleanup

README

@@ -1,9 +1,27 @@
-====== Filelist Plugin for DokuWiki ======
+filelist plugin for DokuWiki
 
-All documentation for the Filelist Plugin is available online at:
+Lists files matching a given glob pattern.
 
-  * https://dokuwiki.org/plugin:filelist
+All documentation for this plugin can be found at
+https://www.dokuwiki.org/plugin:filelist
 
-(c) 2007 - 2012 by Gina Häußge
+If you install this plugin manually, make sure it is installed in
-(c) 2012 - 2016 by Dokufreaks
+lib/plugins/filelist/ - if the folder is called different it
-See COPYING for license info.
+will not work!
+
+Please refer to http://www.dokuwiki.org/extensions for additional info
+on how to install extensions in DokuWiki.
+
+----
+Copyright (C) Gina Häußge, Dokufreaks <gina@foosel.net, freaks@dokuwiki.org>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; version 2 of the License
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+See the LICENSING file for details