Created by: ghost
Summary
This PR adds node since Node.js 11 has been released.
https://github.com/nodejs/node/blob/master/doc/changelogs/CHANGELOG_V11.md#11.0.0
Details
Specifying Node.js versions
Specifying Node.js versions # The easiest way to specify Node.js versions is to use one or more of the latest releases in your .travis.yml:
node latest stable Node.js release iojs latest stable io.js release lts/* latest LTS Node.js release