Copyright for breezy-debian source package in Bionic

This package was debianized by James Westby  on
Thu, 03 Aug 2006 19:22:20 +0100.

The original source can always be found at:
        ftp://ftp.debian.org/dists/unstable/main/source/

Upstream Author: James Westby 

Copyright: 2005 Jamie Wilkinson 
           2006, 2007 James Westby 
           2007 Reinhard Tartler 
           2008 Canonical Ltd.
           2008-2017 Jelmer Vernooij 

License:

    breezy-debian 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.

    breezy-debian 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 breezy-debian; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

On Debian systems, the complete text of the GNU General
Public License can be found in `/usr/share/common-licenses/GPL-2'.

merge_upstream.py and import_dsc.py include code from bzrtools, which is

# Copyright (C) 2005, 2006, 2007 Aaron Bentley 
# Copyright (C) 2005, 2006 Canonical Limited.
# Copyright (C) 2006 Michael Ellerman.

and is also under the GPL, version 2 or later.

bzrtools_bzrtools.py comes from bzrtools and is:

# Copyright (C) 2005, 2006, 2007 Aaron Bentley 
# Copyright (C) 2007 John Arbash Meinel

and is also under the GPL, version 2 or later.

The Debian packaging is (C) 2006 James Westby ,
and is placed under the same license as the rest of the package.