JSVI app

this is app for leash project https://github.com/jcubic/leash

License for jsvi in https://github.com/jcubic/jsvi

JSVI - VI in JavaScript.
Copyright (C) 2006-2008 Internet Connection, Inc.
Copyright (C) 2013 Jakub Jankiewicz

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 3 of the License, or
(at your option) any later version.

This program 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA