build(npm): disable package-lock.json
build(npm): disable package-lock.json

Greenkeeper does not play as nicely with package-lock.json as we would like, so this disables it for the timebeing

aimeex3/spark-js-sdk,aimeex3/spark-js-sdk,bbender/spark-js-sdk,bbender/spark-js-sdk,adamweeks/spark-js-sdk,mwegman/spark-js-sdk,mwegman/spark-js-sdk,aimeex3/spark-js-sdk,tran2/spark-js-sdk,ciscospark/spark-js-sdk,tran2/spark-js-sdk,adamweeks/spark-js-sdk,urbenlegend/spark-js-sdk,adamweeks/spark-js-sdk,mwegman/spark-js-sdk,ciscospark/spark-js-sdk,urbenlegend/spark-js-sdk,bbender/spark-js-sdk