First ever MQTT and XMPP dual-protocol server

[f055 net]

FYI ProcessOne just announced MQTT support in ejabberd Business Edition XMPP server. The support includes MQTT 5.0 and there is a public broker available at mqtt.fluux.io to test the 5.0 spec. More details on accessing the broker are here: https://blog.process-one.net/first-ever-mqtt-and-xmpp-dual-protocol-server-ejabberd-business-edition/