v1.9.17
Move init.d and sudo.pp to the etc dir.
Pass "make spell" with updated codespell.
Quiet codespell 2.3.0 complaints.
Rename "doc" directory to "docs" for better GitHub compatibility.
Add a background image for the macOS installer.
Only package parent directories that match a non-default prefix
Don't enable mod_remove_empty_return We like to use an empty return for stub functions.