update travis-ci config
update travis-ci config

caillou/puppet-nodejs,jeff1evesque/puppet-nodejs,michaelbeil/puppet-nodejs,jeff1evesque/puppet-nodejs,michaelbeil/puppet-nodejs,Bauer-Xcel-Media/puppet-nodejs,willdurand/puppet-nodejs,willdurand/puppet-nodejs,Bauer-Xcel-Media/puppet-nodejs,maneeshmp/puppet-nodejs,maneeshmp/puppet-nodejs