Christopher Angove signing the contributors list.

CONTRIBUTORS.txt

@@ -53,3 +53,4 @@ Mher Movsisyan, 2012/06/08
 Chris Peplin, 2012/06/07
 Florian Apolloner, 2012/06/07
 Juarez Bochi, 2012/06/07
+Christopher Angove, 2012/06/07