added part of mac address to MQTT client ID to seperate multiple ESPs in same network
added dictionary for MQTT to reduce heap-fragmentation
removed `last Alarm` from Live view, because it showed always the same alarm - will change in future
-> now Ahoy opens an AP during boot. This will be closed once a station WiFi connection is established
improved NTP after boot, will be synced immediately after successful WiFi connection
removed wrong "inverter type can't be detected!" messages
repaired NTP and static IP #459
MQTT status about availability and produce are retain messages now