Copyright for node-estraverse source package in Focal

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: estraverse
Upstream-Contact: https://github.com/estools/estraverse/issues
Source: https://github.com/estools/estraverse

Files: *
Copyright: 2013-2015 Yusuke Suzuki ]
License: BSD-2-Clause

Files: estraverse.js
Copyright: 2012-2013 Yusuke Suzuki 
           2012 Ariya Hidayat 
License: BSD-2-Clause

Files: test/third_party/esprima.js
Copyright: 2013 Ariya Hidayat 
           2013 Thaddee Tyl 
           2012 Ariya Hidayat 
           2012 Mathias Bynens 
           2012 Joost-Wim Boekesteijn 
           2012 Kris Kowal 
           2012 Yusuke Suzuki 
           2012 Arpad Borsos 
           2011 Ariya Hidayat 
License: BSD-2-Clause

Files: debian/*
Copyright: 2016 Pirate Praveen 
License: BSD-2-Clause

License: BSD-2-clause
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 .
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE HOLDERS OR
 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.