Copyright for tkcvs source package in Oracular

This package was originally debianized by Joel Rosdahl .
It is currently being mainained by Tim Cutts .

The upstream source code was downloaded from:

    http://www.twobarleycorns.net/tkcvs.html

Distributed under GPL version 2.  See /usr/share/common-licenses/GPL-2.

Portions of the code are:
Copyright (C) 1999-2002 Paul Mackerras.  All rights reserved
Copyright (C) 1993,1994 by John Heidemann 
Copyright (C) 1997,1998 D. Richard Hipp
Copyright (C) 1994-2005 by John M. Klassa.
Copyright (C) 1999-2001 by AccuRev Inc.
Copyright(C) 1998 by Dean S. Jones
Copyright (C) 1993,1994 by John Heidemann 
Copyright (C) 1998-2005 Bryan Oakley