Copyright for libkal source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0
Upstream-Name: libkal
Upstream-Contact: Petr Tomasek 
Source: http://www.etf.cuni.cz/~tomasek/pub/my/


Files: *
Copyright: 1996-1998, Petr Tomasek 
License: LGPL-2+

Files: debian/*
Copyright: 2009,2017, أحمد المحمودي (Ahmed El-Mahmoudy) 
License: LGPL-2+

License: LGPL-2+
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Library General Public
 License as published by the Free Software Foundation; either
 version 2 of the License, or (at your option) any later version.
 .
 This library 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
 Library General Public License for more details.
 .
 You should have received a copy of the GNU Library General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
 .
 On Debian systems, the complete text of the GNU LGPL2 licenses
 can be found at `/usr/share/common-licenses/LGPL-2'.