language: node_js
node_js:
  - "0.12"
  - "0.11"
  - "iojs"
  - "4"
  - "5"
  - "6"
  - "7"
script: echo "code tests" ; npm run test; echo "readme tests" ; npm run test-readme ; echo "documentation example tests" ; npm run test-docs

language: node_js
node_js:
  - "4"
  - "5"
  - "6"
  - "7"
  - "8"
script: echo "code tests" ; npm run test; echo "readme tests" ; npm run test-readme ; echo "documentation example tests" ; npm run test-docs

Test on Node 8, drop 0.11, 0.12, and iojs
Travis: Test on Node 8, drop 0.11, 0.12, and iojs

Should make for faster CI tests.

These old Node versions are past even Node LTS, so it's probably best to
indicate we won't be supporting them.
