Travis CI should also test in newer versions of Node.js
Travis CI should also test in newer versions of Node.js


Former-commit-id: 810df11e230d71cab1f72648a07f3a00d34aae5e [formerly 283e5634b8f576d3434252bc46d9c64fc9a06398]
Former-commit-id: 7a630b59641e700b4ee160de52d35bef68cb2a95
andrewplummer/Sugar,romancow/Sugar,romancow/Sugar,andrewplummer/Sugar