Copyright for libepubgen source package in Nile V2.0

Format: http://dep.debian.net/deps/dep5
Upstream-Name: libepubgen
Source: http://http://sourceforge.net/p/libepubgen/code/ci/master/tree/

Files: *
Copyright: Copyright (C) 2014 David Tardon , other contributors
License: MPL-2.0
 On Debian systems you can find the full text of the MPL 2.0 in 
 /usr/share/common-licenses/MPL-2.0

Files: m4/ax_cxx_compile_stdcxx*m4
Copyright:
   Copyright (c) 2008 Benjamin Kosnik 
   Copyright (c) 2012 Zack Weinberg 
   Copyright (c) 2013 Roy Stogner 
   Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov 
   Copyright (c) 2015 Paul Norman 
   Copyright (c) 2015 Moritz Klammler 
   Copyright (c) 2016 Krzesimir Nowak 
License: other

Files: m4/ax_gcc_func_attribute.m4
Copyright: Copyright (c) 2013 Gabriele Svelto 
License: other

License: other
   Copying and distribution of this file, with or without modification, are
   permitted in any medium without royalty provided the copyright notice
   and this notice are preserved.  This file is offered as-is, without any
   warranty.