Test against node 6.x on travis
Test against node 6.x on travis
cargomedia/pulsar-rest-api,njam/pulsar-rest-api,cargomedia/pulsar-rest-api,njam/pulsar-rest-api,cargomedia/pulsar-rest-api,njam/pulsar-rest-api,njam/pulsar-rest-api,cargomedia/pulsar-rest-api