[ Jonas Smedegaard ] * Switch download URL for get-orig-source target. * Modernize git-buildpackage config: Avoid git- prefix. * Update copyright info: + Extend coverage of packaging to include current year. + Use License-Grant and License-Reference fields. Thanks to Ben Finney. + Replace (yes, not add) main upstream author. * Bump debhelper compatibility level to 9. * Add another author-specific download URL to watch file. * Override lintian regarding build-depending unversioned on debhelper. * Override lintian regarding license in License-Reference field. See bug#786450.