Update Vagrantfile
Update Vagrantfile

The VM box "boxcutter/ubuntu1510" is not available for download. The "vagrant up" command for creating the development environment fails.

Changed to "boxcutter/ubuntu1604". Is this sound? It worked fine for me.
clarkerubber/lila,arex1337/lila,clarkerubber/lila,luanlv/lila,clarkerubber/lila,luanlv/lila,arex1337/lila,clarkerubber/lila,clarkerubber/lila,arex1337/lila,arex1337/lila,clarkerubber/lila,arex1337/lila,luanlv/lila,luanlv/lila,luanlv/lila,arex1337/lila,clarkerubber/lila,luanlv/lila,luanlv/lila,arex1337/lila