* Increment dh compat level to 9, build-depend on debhelper 9.
* Remove versioned b-d on libmysqlclient-dev, remove b-d on dpkg-dev.
* d/rules: multiarch path adjustment.
* Increment dh compat level to 9, build-depend on debhelper 9.
* Remove versioned b-d on libmysqlclient-dev, remove b-d on dpkg-dev.
* d/rules: multiarch path adjustment.