chore(jenkins): organize variables similar to gating jobs
chore(jenkins): organize variables similar to gating jobs

aimeex3/spark-js-sdk,mwegman/spark-js-sdk,bbender/spark-js-sdk,adamweeks/spark-js-sdk,bbender/spark-js-sdk,adamweeks/spark-js-sdk,bbender/spark-js-sdk,ciscospark/spark-js-sdk,ciscospark/spark-js-sdk,aimeex3/spark-js-sdk,mwegman/spark-js-sdk,adamweeks/spark-js-sdk,mwegman/spark-js-sdk,aimeex3/spark-js-sdk