message: chore(travis): Use `node` base, instead of `cpp`
  This changes the `.travis.yml` to use the `node_js` language
  as a base instead of `cpp` to avoid installing & setting up node
  manually.
  Change-Type: patch
diff: -language: cpp
  +language: node_js
  sudo: false
  +node_js:
  + - "6.1.0"
  services:
  - docker
  +addons:
  + apt:
  + sources:
  + - ubuntu-toolchain-r-test
  + packages:
  + - libstdc++-6-dev
  +
  env:
  global:
  - - NODE_VERSION="6.1.0"
  + - CCACHE_TEMPDIR=/tmp/.ccache-temp
  + - CCACHE_COMPRESS=1
  + - CC="clang"
  + - CXX="clang++"
  matrix:
  - TARGET_ARCH=x64
  - TARGET_ARCH=x86
  @@ -21,16 +33,7 @@ os:
  - osx
  before_install:
  - - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
  - rm -rf ~/.nvm;
  - git clone --depth 1 https://github.com/creationix/nvm.git ~/.nvm;
  - source ~/.nvm/nvm.sh;
  - nvm --version;
  - nvm install $NODE_VERSION;
  - node --version;
  - npm --version;
  - npm config set spin=false;
  - fi
  + - npm config set spin=false
  install:
  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
  