* Update to debhelper compatibility level V8.
- Use the autotools-dev debhelper module for config.{sub,guess}.
- Use debhelper rule minimization.
+ * Clean some additional files not removed by upstream make distclean.
* Update debian/copyright to the current DEP-5 specification.
* Change to Debian source format 3.0 (quilt). Force a single Debian
patch for simplicity since the packaging is maintained in Git using