Kicksecure

Use when building Kicksecure/derivative-maker Debian packages with genmkfile (targets like 'genmkfile deb-pkg', cowbuilder chroot builds, the output/dist folder as a .deb cache, dist/debdist/debdsc tarballs, deb-install, lintian, debsign). Covers the build sequence, env-var knobs, cowbuilder base creation, and override hooks.