Changes-By: lintian-brush
Fixes: lintian: older-debian-watch-file-standard
See-also: https://lintian.debian.org/tags/older-debian-watch-file-standard.html

Changes-By: lintian-brush
Fixes: lintian: out-of-date-standards-version
See-also: https://lintian.debian.org/tags/out-of-date-standards-version.html

Changes-By: lintian-brush
Fixes: lintian: package-uses-old-debhelper-compat-version
See-also: https://lintian.debian.org/tags/package-uses-old-debhelper-compat-version.html

Set upstream metadata fields: Repository, Repository-Browse.

See merge request !1

Fixes lintian: upstream-metadata-file-is-missing
See https://lintian.debian.org/tags/upstream-metadata-file-is-missing.html for more details.

Needed for stretch→buster upgrades only

Add separate Python 2 and 3 packages python-cssmin and python3-cssmin
(Closes: #781319, #823399).