* Switch to source format "3.0 (quilt)"
* Add patch to fix FTBFS with -Werror=format-security
* Use debhelper (v9) in many places, add build-dependency
+ * Fix lintian-warnings debian-rules-missing-recommended-target
* Use hardening build flags
+ Add build-dependency on dpkg-dev >= 1.16.1~
* Add some lintian overrides related to non-existent upstream web page