Added Ismail Sunni and Etienne Trimaille to contributors list

Author: timlinux

doc/CONTRIBUTORS

@@ -26,6 +26,7 @@ Denis Rouzaud
 Diego Moreira
 Duarte Carreira
 Etienne Tourigny
+Etienne Trimaille
 Even Rouault
 Faunalia (http://www.faunalia.it)
 Fernando Pacheco
@@ -38,6 +39,7 @@ Giuseppe Sucameli
 Harrissou Sant-anna
 Horst Duester
 Hyao (IRC nickname)
+Ismail Sunni
 Ivan Lucena
 Ivan Mincik
 Jaka Kranjc (lynxlynxlynx)