Copyright for xfishtank source package in Xenial

This is a Debian prepackaged version of xfishtank.

This package was put together by Joey Hess , using
sources from:
	ftp://ftp.x.org/R5contrib/xfishtank.tar.Z

I tracked down John Bradley , who wrote the xfish
program back around 1987, that xfishtank is derived from. He stated the
following copyright:

> It doesn't have one - do whatever you'd like with it.  Enjoy!
>
> --jhb

rasttofish/rasttofish.c has this copyright:

** Copyright (C) 1989, 1991 by Jef Poskanzer.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation.  This software is provided "as is" without express or
** implied warranty.

vroot.h has this copyright:

/**                   Copyright 1991 by Andreas Stolcke                     **/
/**               Copyright 1990 by Solbourne Computer Inc.                 **/
/**                          Longmont, Colorado                             **/
/**                                                                         **/
/**                           All Rights Reserved                           **/
/**                                                                         **/
/**    Permission to use, copy, modify, and distribute this software and    **/
/**    its documentation  for  any  purpose  and  without  fee is hereby    **/
/**    granted, provided that the above copyright notice appear  in  all    **/
/**    copies and that both  that  copyright  notice  and  this  permis-    **/
/**    sion  notice appear in supporting  documentation,  and  that  the    **/
/**    name of Solbourne not be used in advertising                         **/
/**    in publicity pertaining to distribution of the  software  without    **/
/**    specific, written prior permission.                                  **/
/**                                                                         **/
/**    ANDREAS STOLCKE AND SOLBOURNE COMPUTER INC. DISCLAIMS ALL WARRANTIES **/
/**    WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF    **/
/**    MERCHANTABILITY  AND  FITNESS,  IN  NO  EVENT SHALL ANDREAS STOLCKE  **/
/**    OR SOLBOURNE BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL    **/
/**    DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA   **/
/**    OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER    **/
/**    TORTIOUS ACTION, ARISING OUT OF OR IN  CONNECTION  WITH  THE  USE    **/
/**    OR PERFORMANCE OF THIS SOFTWARE.                                     **/

README.TrueColor has this copyright:

You may use, redistribute this version as long as you keep all the READMEs and
copyright stuff with the code. This is to ensure credit goes to those deserve.
After all, I did not write this code. I only add TrueColor support.

There no warranty of any kind. Use this code at your own risk. Don't blame me
for any damage it may cause. Bugfixes and comments are welcome.

Enjoy,

TJ Phan
phan@aur.alcatel.com

xfishtank.1x has this copyright:

Copyright (c) 1988-92                 (xfishtank)
                        Jonathan Greenblatt
                        Dave Lemke
                        Eric Bina