Copyright for libuemf source package in Plucky

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libUEMF
Upstream-Contact: David Mathog 
Source: https://sourceforge.net/projects/libuemf/
Files-Excluded:
 bin
 lib

Files: *
Copyright: 2012-2020, David Mathog  and California Institute of Technology (Caltech)
License: GPL-2

Files: *.example
Copyright: 2006-2008, Ulf Erikson  and David Mathog 
License: GPL-2

Files: debian/*
Copyright: 2021, Andrius Merkys 
License: GPL-2

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