The promoe.svg file is copyrighted by AJ Ashton (aj.ashton@gmail.com)

The files can be distributed under the terms of the GPL version 2 or later
or under the terms of the 
Creative Commons Attribution Share-Alike (CC BY-SA) v3.0 License

Even though the licenses allow free distribution, please contact AJ Ashton
anyway if you plan to use the logos in another project