fixes for nits reported by rcverify (#328)

* use module name in Notice
* remove execute permission from messageHubProduce.py
diff --git a/NOTICE.txt b/NOTICE.txt
index b3b5bb1..bd5fef8 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,4 +1,4 @@
-Apache OpenWhisk
+Apache OpenWhisk Package Kafka
 Copyright 2016-2019 The Apache Software Foundation
 
 This product includes software developed at
diff --git a/action/messageHubProduce.py b/action/messageHubProduce.py
old mode 100755
new mode 100644