Add node version to travis.yml
Add node version to travis.yml

rtablada/ember-deploy-s3-index,LevelbossMike/ember-deploy-redis,cnerepo/ember-cli-deploy-redis-cne,alexferreira/ember-deploy-redis,matthewlehner/ember-deploy-redis,LevelbossMike/ember-deploy-redis,cnerepo/ember-cli-deploy-redis-cne,alexferreira/ember-deploy-redis,rtablada/ember-deploy-s3-index,matthewlehner/ember-deploy-redis