message: Add bundling and bundlesize to Travis
diff: @@ -2,9 +2,6 @@ dist: trusty
  language: node_js
  -addons:
  - chrome: stable
  -
  node_js:
  - "6"
  - "8"
  @@ -32,3 +29,6 @@ script:
  - yarn run coverage
  # Upload to coveralls, but don't _fail_ if coveralls is down.
  - cat coverage/lcov.info | node_modules/.bin/coveralls || echo "Coveralls upload failed"
  + # Build and check bundlesize
  + - yarn run build-bundles
  + - yarn run bundlesize
  