Log chef-zero instead of chef-solo
docs/getting-started: install the _latest_ version

See #5082
Merge pull request #5077 from mitchellh/sethvargo/zero_log

Log chef-zero instead of chef-solo
Revert "Doc: Fix double underscore rsync attribute documentation"
Merge pull request #5087 from mitchellh/revert-5031-patch-4

Revert "Doc: Fix double underscore rsync attribute documentation"