copyright-update: Update copyright information in files

    2019-07-30 12:45           0 usr/
    2019-07-30 12:45           0 usr/bin/
    2019-07-30 12:45       23863 usr/bin/copyright-update
    2019-07-30 12:45           0 usr/share/
    2019-07-30 12:45           0 usr/share/doc/
    2019-07-30 12:45           0 usr/share/doc/copyright-update/
    2019-07-30 12:45       17987 usr/share/doc/copyright-update/COPYING
    2019-07-30 12:45         454 usr/share/doc/copyright-update/INSTALL
    2019-07-30 12:45           0 usr/share/doc/copyright-update/manual/
    2019-07-30 12:45           0 usr/share/doc/copyright-update/manual/copyright-update.html -> /home/jaalto/cygwin/my/copyright-update/copyright-update-2016.1018+20190505+git3fdedf4/doc/manual/copyright-update.html
    2019-07-30 12:45           0 usr/share/doc/copyright-update/manual/copyright-update.txt -> /home/jaalto/cygwin/my/copyright-update/copyright-update-2016.1018+20190505+git3fdedf4/doc/manual/copyright-update.txt
    2019-07-30 12:45        1136 usr/share/doc/copyright-update/README
    2019-07-30 12:45           0 usr/share/doc/Cygwin/
    2019-07-30 12:45        1789 usr/share/doc/Cygwin/copyright-update.README
    2019-07-30 12:45           0 usr/share/man/
    2019-07-30 12:45           0 usr/share/man/man1/
    2019-07-30 12:45        5043 usr/share/man/man1/copyright-update.1.gz