message: use latest node with NVM on travis
diff: @@ -8,8 +8,8 @@ sudo: false
  before_install:
  - rm -rf ~/.nvm/ && git clone --depth 1 https://github.com/creationix/nvm.git ~/.nvm
  - source ~/.nvm/nvm.sh
  - - nvm install $NODE_VERSION
  - - nvm use $NODE_VERSION
  + - nvm install node
  + - nvm use node
  install:
  - npm install
  