Specify latest Node LTS release (6.9.4) (#923)
Specify latest Node LTS release (6.9.4) (#923)


fotinakis/travis-web,fotinakis/travis-web,travis-ci/travis-web,fotinakis/travis-web,travis-ci/travis-web,travis-ci/travis-web,fotinakis/travis-web,travis-ci/travis-web