Default to the development branch of package repos
Ubuntu supplies maintainer information.
Fix manual page to correct Debian and Fedora repos
Switch Debian to unstable.
Simplify Linux detection logic.
SHA256 (repology-1.7.3.tar.gz) = e12d67ae413f1956849be382f554bd03de5faa6abfcc69d99d549309f1f5aa43