elm-lang/elm-platform — pull request #29 by passy (2014-12-07 18:11:53+00:00)
Title: Run "elm-package install" if needed

Another try. And don't worry about saying no if this is stupid in some way. I can take it. :)

`elm-reactor` on master requires some elm packages to be installed. This
will run `elm-package install` if the repository contains an
`elm-package.json`.