Under the following terms:
Attribution — You must give appropriate credit, provide a link to the li- cense, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
No additional restrictions — You may not apply legal terms or technolog- ical measures that legally restrict others from doing anything the license permits.