Update CONTRIBUTORS.txt
@@ -192,4 +192,5 @@ Feanil Patel, 2015/05/21
Jocelyn Delalande, 2015/06/03
Justin Patrin, 2015/08/06
Juan Rossi, 2015/08/10
-Piotr Maślanka, 2015/08/24
+Piotr Maślanka, 2015/08/24
+Gerald Manipon, 2015/10/19