Merge pull request #51 from kobayashi/authors

renewed authors

AUTHORS

-Maintainer
+Maintainers
+----------
+Annika Wickert <annika.wickert@exaring.de>
+Keiichi kobayashi <abok.1k@gmail.com>
+
+
+Original Maintainer
 ----------
 DigitalOcean, Inc
 
@@ -10,6 +16,5 @@ Matt Layher	<mlayher@digitalocean.com>
 Contributors
 ------------
 Allan Liu <aliu@digitalocean.com>
-Annika Wickert <annika.wickert@exaring.de>
 Dave Cameron <dcameron@digitalocean.com>
 Quan D. Hoang <hdquan2014@gmail.com>