Copyright for glasscoder source package in Mantic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: glasscoder
Upstream-Contact: Fred Gleason 
Source: https://github.com/ElvishArtisan/GlassCoder

Files: *
Copyright: 2002-2020 Fred Gleason 
License: GPL-2

Files: src/common/ringbuffer.*
Copyright: 2011-2015 Fred Gleason 
           2003 Rohan Drape
           2000 Paul Davis
License: GPL-2

Files: debian/*
Copyright: 2020 Kyle Robbertze 
License: GPL-2

License: GPL-2
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License version 2 as
 published by the Free Software Foundation
 .
 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, see 
 .
 On Debian systems, the complete text of the GNU General
 Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".
 .
 This product includes software developed by the OpenSSL Project
 for use in the OpenSSL Toolkit. (http://www.openssl.org/).
 .
 This program is released under the GNU General Public License version 2 with
 the additional exemption that compiling, linking, and/or using OpenSSL is
 allowed.