message: moving scripts to npm
  instead of gulp
diff: @@ -4,15 +4,14 @@ language: node_js
  node_js:
  - '8'
  before_script:
  -- cd gulp
  -- npm install -g gulp
  -- npm install
  +- npm ci
  - git config --global user.email "travis@travis-ci.org"
  - git config --global user.name "Travis CI"
  -script: gulp travis-test
  +script: npm run test:travis
  after_success:
  - gulp coveralls
  before_deploy:
  +- cd gulp
  - npm install -g jsdoc
  - sh deploy_updates.sh
  - node increment_version.js
  @@ -84,6 +83,6 @@ jobs:
  # cache node_modules to speed up build
  cache:
  directories:
  - - node_modules
  - - gulp/node_modules
  + # - node_modules
  + # - gulp/node_modules
  - $HOME/Library/Caches/Homebrew
  