Rename accept_jetws_error to accept_http_error.
Rename accept_jetws_error to accept_http_error.

The server not only handles jet-websockets but http in general.

gatzka/cjet,gatzka/cjet,gatzka/cjet,mloy/cjet,mloy/cjet,mloy/cjet,gatzka/cjet,mloy/cjet,gatzka/cjet,mloy/cjet