language: node_js
node_js:
  - 6
  - 8
  - 9
  - 10
script:
  - npm test

language: node_js
node_js:
  - 6
  - 8
  - 10
  - 11
script:
  - npm test

Update Travis config to use the current Node
Update Travis config to use the current Node

Remove end-of-life Node.js 9 and add the current Node.js 11.

PR-URL: https://github.com/metarhia/metasync/pull/383
