kex: implement SSH_MSG_NEWKEYS handshake
Move nuts directory to nuts-io
Move nutsev directory to nuts-ev
Move daemon directory to nutsd
Rename nuts library to nuts-io
Rename nutsev library to nuts-ev
handle_packet_payload(): correct mapping to result to nuts_kex_consume()
Commit a skeleton of the service-module
Initial implementation of nuts_service_consume()...

... simply sends back a disconnect-message.
nuts_msg_disconnect_print()
nuts_msg_service_request_print()
nuts_msg_disconnect_scan()
nuts_msg_service_request_scan()
nuts_service_consume() reads a SSH_MSG_SERVICE_REQUEST message