This is ubuntu-restricted-addons, a metapackage to make common
customizations easier.
This package was originally put together by Evan Dandrea
This package 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, or (at your option)
any later version.
You should have received a copy of the GNU General Public License with
your Ubuntu system, in /usr/share/common-licenses/GPL-2. If not, write
to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301, USA.