Update CONTRIBUTORS.txt ("by notifying" -> "notify")

What about gists/patches?

CONTRIBUTORS.txt

@@ -65,3 +65,4 @@ Kornelijus Survila, 2012/06/07
 Stefán Kjartansson, 2012/06/07
 Keith Perkins, 2012/06/07
 Flavio Percoco, 2012/06/07
+Wes Turner, 2012/06/07