Update NOTICE file for 2019.

Gary Gregory · Gary Gregory · commit 562285483f70 · 2019-05-16T14:03:46.000-04:00
diff --git a/NOTICE.txt b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache Commons CLI
-Copyright 2001-2017 The Apache Software Foundation
+Copyright 2001-2019 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
