YETUS-323 Update NOTICE file for 2016 copyright.

Signed-off-by: Allen Wittenauer <aw@apache.org>
diff --git a/NOTICE b/NOTICE
index a976ff3..df9d053 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Apache Yetus
-Copyright 2008-2015 The Apache Software Foundation
+Copyright 2008-2016 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).