upgrade hyper to v0.11

examples/async.rs

@@ -0,0 +1,16 @@
+extern crate futures;
+extern crate reqwest;
+extern crate tokio_core;
+
+use futures::Future;
+
+fn main() {
+    let mut core = tokio_core::reactor::Core::new().unwrap();
+    let client = reqwest::unstable::async::Client::new(&core.handle()).unwrap();
+
+    let work = client.get("https://hyper.rs").unwrap().send().map(|res| {
+        println!("{}", res.status());
+    });
+
+    core.run(work).unwrap();
+}