update end year in NOTICE file to 2020 (#41)

dgrove-oss · web-flow · commit 5c23d6c6c5bf · 2020-07-25T20:44:49.000-04:00
diff --git a/NOTICE.txt b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache OpenWhisk Runtime Dotnet
-Copyright 2016-2019 The Apache Software Foundation
+Copyright 2016-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
