Adding Aaron Harnly to CONTRIBUTORS.txt

CONTRIBUTORS.txt

@@ -130,3 +130,4 @@ Vlad Frolov, 2013/01/23
 Milen Pavlov, 2013/03/08
 Pär Wieslander, 2013/03/20
 Theo Spears, 2013/03/28
+Aaron Harnly, 2013/04/04