Greenkeeper dev here, Another fun thing we can do with this is, say Node 5.0 comes out, we send a PR for everybody’s .travis.yml, to also test against 5.0 and s

Greenkeeper dev here, Another fun thing we can do with this is, say Node 5.0 comes out, we send a PR for everybody’s .travis.yml, to also test against 5.0 and see if a package is still compatible. And all that with without the maintainers having to install the new Node version, or fearing they screw up the dev environment. Let computers do the chores for us :)