debian/patches: Change the headers to be friendlier with gbp pq.
debian/control: Remove DMUA flag.
debian/rules: Override rules for which we don't have makefiles.

Closes: #724195
Update changelog.

Git-Dch: Ignore
debian/patches: Remove unreferenced patches in series file.
debian/patches: Coalesce all patches touching man pages into one.
debian/patches: Regenerate from patch-queue branch.
Update changelog.

Git-Dch: Ignore
Prepare for release.

Git-Dch: Ignore