Make sure a response is always sent with HTTP/2
Make sure a response is always sent with HTTP/2

Previously only DATA was sent, with missing HEADERS.

ninenines/cowboy,rabbitmq/cowboy,bsmr-erlang/cowboy,turtleDeng/cowboy,CrankWheel/cowboy,hairyhum/cowboy,kivra/cowboy,K2InformaticsGmbH/cowboy