Merge pull request #3020 from Adaptification/patch-1

Update CONTRIBUTORS.txt

CONTRIBUTORS.txt

@@ -202,3 +202,4 @@ Dennis Brakhane, 2015/10/30
 Chris Harris, 2015/11/27
 Valentyn Klindukh, 2016/01/15
 Wayne Chang, 2016/01/15
+Mike Attwood, 2016/01/22