Refresh the automatically detected licensing information

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>

debian/apertis/copyright

 Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 
 Files: *
+Copyright: 2015, 2016, Niels Thykier <niels@thykier.net>
+ 1997-2011, Joey Hess <joeyh@debian.org>
+License: GPL-2+
+
+Files: GPL
 Copyright: 1989, 1991, Free Software Foundation, Inc.
 License: GPL-2
 
-Files: debian/*
-Copyright: 1997-2011 Joey Hess <joeyh@debian.org>
-            2015-2016 Niels Thykier <niels@thykier.net>
-License: GPL-2+
-
-Files: lib/*
+Files: lib/Debian/Debhelper/Buildsystem.pm
+ lib/Debian/Debhelper/Dh_Buildsystems.pm
 Copyright: 2008, 2009, Modestas Vainius
 License: GPL-2
 
 Files: lib/Debian/Debhelper/Buildsystem/*
-Copyright: 2008, Joey Hess
- 2008, 2009, Modestas Vainius
-License: GPL-2
-
-Files: t/*
-Copyright: 1997-2011 Joey Hess <joeyh@debian.org>
- 2015-2016 Niels Thykier <niels@thykier.net>
-License: GPL-2+
-
-Files: lib/Debian/Debhelper/Buildsystem/ant.pm
-Copyright: 2009, Joey Hess
-License: GPL-2
-
-Files: lib/Debian/Debhelper/Buildsystem/cmake.pm
 Copyright: 2008, 2009, Modestas Vainius
+ 2008, 2009, Joey Hess <joeyh@debian.org>
 License: GPL-2
 
 Files: lib/Debian/Debhelper/Buildsystem/meson.pm
@@ -36,12 +24,6 @@ Files: lib/Debian/Debhelper/Buildsystem/meson.pm
 Copyright: 2017, Michael Biebl
 License: GPL-2
 
-Files: lib/Debian/Debhelper/Buildsystem/perl_build.pm
- lib/Debian/Debhelper/Buildsystem/perl_makemaker.pm
-Copyright: 2008, 2009, Modestas Vainius
- 2008, 2009, Joey Hess
-License: GPL-2
-
 Files: lib/Debian/Debhelper/Buildsystem/qmake.pm
 Copyright: 2010, Kelvin Modderman
 License: GPL-2
@@ -50,7 +32,7 @@ Files: lib/Debian/Debhelper/DH/*
 Copyright: no-info-found
 License: GPL-2
 
-Files: dh_installdocs dh_setup_copyright lib/Debian/Debhelper/Dh_Getopt.pm lib/Debian/Debhelper/Dh_Lib.pm
+Files: dh_installdocs dh_setup_copyright lib/Debian/Debhelper/Dh_Getopt.pm lib/Debian/Debhelper/Dh_Lib.pm t/dh_installdocs/dh_installdocs.t
 Copyright: 1997-2011 Joey Hess <joeyh@debian.org>
  2015-2016 Niels Thykier <niels@thykier.net>
 License: GPL-2+