Supplied icons are taken from Gnome desktop environment, and are under the LGPL license, 
and because the images contain their own source, so they are automatically distributed 
in the source form, and thus can be redistributed or modified by anyone, providing that 
LGPL terms are met.

Gnome web site:
http://www.gnome.org/

LGPL terms:
http://www.gnu.org/licenses/lgpl.html
