VOL-4795 - Researching community pod faiure.

.gitignore
----------
   o Add exclusions so npm-groovy-lint can be used.

vars/getVolthaCode.groovy
-------------------------
   o Added an iam() method to self-identfy the scirpt.
   o Wrap call() logic in a try/catch block so problems are always visible.
   o groovy-lint - declare local vars to shorten long lines.
   o Add whitespace and separation for readability.

Include more sources to trigger a jenkins build.

Change-Id: I50be0be0dbd69da55d6aad5c48bc6ef832056afc
diff --git a/jjb/pipeline/xos-core.groovy b/jjb/pipeline/xos-core.groovy
index e3f398b..8962545 100644
--- a/jjb/pipeline/xos-core.groovy
+++ b/jjb/pipeline/xos-core.groovy
@@ -1,4 +1,4 @@
-// Copyright 2017-present Open Networking Foundation
+// Copyright 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.