Copyright for wajig source package in Precise

Copyright (C) 2001-2010 Graham J Williams 

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

See /usr/share/common-licenses/GPL for more information.