* MQTT discovery factoring
* add DHT discovery
* BME topic macro change
* add sensors to ha discovery
* correct a comment typo #327
* let the possibility at buildtime to don't publish service data
* reduce string usage
* change MQTT ONOFF actuator to ON OFF commands instead of true false
* add ZactuatorONOFF discovery
* add simple publishing for GPIO input
* Add RF switch and gateway discovery
Florian