Tab Kit - http://jomel.me.uk/software/firefox/tabkit/
Copyright (c) 2007 John Mellor

This Firefox extension, Tab Kit, 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.

Tab Kit is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.