Copyright for bb source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: BB
Upstream-Contact: Jan Hubicka 
Source: http://aa-project.sourceforge.net/bb/

Files: *
Copyright: 1997-2001 AA-group 
License: GPL-2+

Files: autopilo.c autopilo.h complex.h formulas.c formulas.h scene7.c timers.c timers.h ui.h zoom.c zoom.h
Copyright: 1996-1997 Jan Hubicka 
           1996=1997 Thomas Marsh
License: GPL-2+

Files: julia.c ctrl87.c ctrl87.h
Copyright: 1996-2001, Jan Hubicka and the XaoS Development Team
Comment:
 These files was taken from XaoS-the fast portable realtime interactive
 fractal zoomer. but it is simplified for BB. You may get complette
 sources at XaoS homepage (http://matek.hu/xaos/).
License: GPL-2+

Files: minilzo.c minilzo.h mylzo.h
Copyright: 1996, 1997 Markus Franz Xaver Johannes Oberhumer
License: GPL-2+

Files: debian/*
Copyright: 2001-2007 Uwe Hermann 
           2015-2016 Axel Beckert 
License: public-domain
 The packaging done by Uwe Hermann  is hereby
  released as public domain.
Comment: The packaging was redone in 2001.

Files: debian/bb.png
Copyright: 1997 AA-group 
License: GPL-2+
Comment: This file is a conversion of
 http://aa-project.sourceforge.net/bb/bb.jpg to PNG and 128x128 pixels
 size using graphicsmagick-imagemagick-compat's convert tool.

License: GPL-2+
 This package is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.
 .
 This package is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 .
 On Debian systems, the complete text of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-2'.