Copyright for argon2 source package in Yangtze V1.0

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: phc-winner-argon2
Source: https://github.com/P-H-C/phc-winner-argon2
Upstream-Contact: https://github.com/P-H-C/phc-winner-argon2/issues

Files: *
Copyright: 2015, Daniel Dinu
           2015, Dmitry Khovratovich
           2015, Jean-Philippe Aumasson
           2015, Samuel Neves
License: CC0 or Apache-2.0

Files: src/blake2/*
Copyright: 2013-2015, Samuel Neves
License: CC0 or Apache-2.0

Files: src/encoding.c
Copyright: 2015, Thomas Pornin
License: CC0 or Apache-2.0

Files: debian/*
Copyright: 2016, Luca Bruno 
License: CC0

Files: debian/argon2.1
Copyright: 2016, Daniel Kahn Gillmor 
License: CC0

License: CC0
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