Update license info
* Update license info
Comply with ASLv2 for modded OrderedFuture implementation
* formatting
+// This file contains code (futures-util/src/stream/futures_ordered.rs ) modified from https://github.com/rust-lang/futures-rs.
+// It is provided as-is under the same license (Apache v2) as futures-rs. This will be removed once https://github.com/rust-lang/futures-rs/issues/2309 has been resolved.
+
use core::cmp::Ordering;
use core::fmt::{self, Debug};
use core::iter::FromIterator;
