docs(deisctl): reword comment
docs(installing_deis): import baremetal docs
docs(contrib): refer to digitalocean guide
docs(testing): add better instructions for contributors
ref(docs): error on warnings for all Makefile targets
Merge pull request #2346 from ngpestelos/patch-1

docs(deisctl): reword comment
Merge pull request #2361 from bacongobbler/import-do-docs

docs(contrib): refer to digitalocean guide
Merge pull request #2360 from bacongobbler/baremetal-docs-import

docs(installing_deis): import baremetal docs
Merge pull request #2336 from mboersma/testing-docs

docs(testing): add better instructions for contributors