Now -nvh option works.

This is because our priority queue implementation does not have stable sort
property, so queueing SYN_STREAM, DATA in this order does not necessarily
mean SYN_STREAM will be sent first.

Discard inbound HEADERS and DATA in CLOSING state. Handle stream shutdown when DATA is received with FIN bit set.

Renamed spdylay_req_submit and spdylay_reply_submit as spdylay_submit_request and spdylay_submit_response