Updated TravisCI node.js version
Updated TravisCI node.js version

jonathanKingston/doctrine,aeisenberg/doctrine,PolymerLabs/doctrine,Constellation/doctrine,demands/doctrine,googlearchive/doctrine,dtao/doctrine,mysticatea/doctrine,PolymerLabs/doctrine,mysticatea/doctrine,googlearchive/doctrine,fivetran/doctrine,ecomfe/doctrine2,jifeon/doctrine,ecomfe/doctrine2,petebacondarwin/doctrine,jifeon/doctrine,Constellation/doctrine