run style checks on travis-ci
run style checks on travis-ci

cz8s/lambdacd,matthiasn/lambdacd,matthiasn/lambdacd,flosell/lambdacd,flosell/lambdacd,flosell/lambdacd,cz8s/lambdacd,matthiasn/lambdacd,cz8s/lambdacd