feat(lib): convert to use tokio 0.1

BREAKING CHANGE: All uses of `Handle` now need to be new-tokio `Handle`.

Co-authored-by: Sean McArthur <sean@seanmonstar.com>

examples/server.rs

@@ -2,8 +2,10 @@
 extern crate futures;
 extern crate hyper;
 extern crate pretty_env_logger;
+extern crate tokio;
 
-use futures::future::FutureResult;
+use futures::Future;
+use futures::future::{FutureResult, lazy};
 
 use hyper::{Body, Method, Request, Response, StatusCode};
 use hyper::server::{Http, Service};
@@ -41,7 +43,9 @@ fn main() {
     pretty_env_logger::init();
     let addr = "127.0.0.1:1337".parse().unwrap();
 
-    let server = Http::new().bind(&addr, || Ok(Echo)).unwrap();
-    println!("Listening on http://{} with 1 thread.", server.local_addr().unwrap());
-    server.run().unwrap();
+    tokio::run(lazy(move || {
+        let server = Http::new().bind(&addr, || Ok(Echo)).unwrap();
+        println!("Listening on http://{} with 1 thread.", server.local_addr().unwrap());
+        server.run().map_err(|err| eprintln!("Server error {}", err))
+    }));
 }