Licensed under either of

 * Apache License, Version 2.0
   LICENSE.apache2 or http://www.apache.org/licenses/LICENSE-2.0
 * MIT license
   LICENSE.mit or http://opensource.org/licenses/MIT

at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.
