Stub out priority

src/proto/connection.rs

@@ -142,6 +142,10 @@ impl<T, P, B> Connection<T, P, B>
                     trace!("recv WINDOW_UPDATE; frame={:?}", frame);
                     self.streams.recv_window_update(frame)?;
                 }
+                Some(Priority(frame)) => {
+                    trace!("recv PRIORITY; frame={:?}", frame);
+                    // TODO: handle
+                }
                 None => {
                     // TODO: Is this correct?
                     trace!("codec closed");

src/proto/framed_read.rs

@@ -108,8 +108,7 @@ impl<T> FramedRead<T> {
                 frame::PushPromise::load(head, &bytes[frame::HEADER_LEN..])?.into()
             }
             Kind::Priority => {
-                // TODO: implement
-                return Ok(None);
+                frame::Priority::load(head, &bytes[frame::HEADER_LEN..])?.into()
             }
             Kind::Continuation => {
                 // TODO: Un-hack this

src/proto/framed_write.rs

@@ -153,6 +153,12 @@ impl<T, B> Sink for FramedWrite<T, B>
                 v.encode(self.buf.get_mut());
                 trace!("encoded window_update; rem={:?}", self.buf.remaining());
             }
+
+            Frame::Priority(v) => {
+                // v.encode(self.buf.get_mut());
+                trace!("encoded priority; rem={:?}", self.buf.remaining());
+                unimplemented!();
+            }
             Frame::Reset(v) => {
                 v.encode(self.buf.get_mut());
                 trace!("encoded reset; rem={:?}", self.buf.remaining());