machine:
  node:
    version: 4.0
dependencies:
  pre:
    - source /etc/lsb-release && echo "deb http://download.rethinkdb.com/apt $DISTRIB_CODENAME main" | sudo tee /etc/apt/sources.list.d/rethinkdb.list
    - wget -qO- http://download.rethinkdb.com/apt/pubkey.gpg | sudo apt-key add -
    - sudo apt-get update
    - sudo apt-get install rethinkdb=2.\*
Add node version and rethinkdb setup
Add node version and rethinkdb setup
