Image license

Permission is granted to copy, distribute, and/or modify the image files in this
directory under the terms of the GNU Free Documentation License, Version 1.3, or
any later version published by the Free Software Foundation, with no Invariant
Sections, no Front-Cover Texts, and no Back-Cover Texts. You should have
received a copy of the GNU Free Documentation License along with this program.
If not, see <http://www.gnu.org/licenses/>.

