* reduce last_success MQTT messages (#1124)
* add re-request if inverter is known to be online and first try fails
* add alarm reporting to MI (might need review!)
* rebuild MI limiting code closer to DTUSimMI example
* added active power control in `W` to live view #201, #673
* updated docu, active power control related #706
* added current AC-Power to `index` page and removed version #763
* improved statistic data, moved to entire struct
* removed `/api/statistics` endpoint from REST-API
Display class gets access to App interface and HmRadio
Display class prepares relevant online information for displays in new DisplayData structure
Displays get pointer to DisplayData and only use information received from there
* improved RSSI for NRF24, now it's read per package (and inverter) #1129
* arranged `heap` related info together in `/system`
* fix display navi during save
* clean up binary output, separated to folders
* added default pins for opendtu-fusion-v1 board
* fixed hw version display in `live`
* removed development builds, renamed environments in `platform.ini`
* fixed docu #1085
* changed active power limit MqTT messages to QOS2 #1072
* improved alarm messages, added alarm-id to log #1089
* trigger power limit read on next day (if inverter was offline meanwhile)
* disabled improv implementation to check if it is related to 'Schwuppdizitaet'
* changed live view to gray once inverter isn't available
* added inverter status to API
* changed sum of totals on WebGui depending on inverter status #1084
* merge maximum power (AC and DC) from PR #1080
* added 'improve' functions to set wifi password directly with ESP web tools #1014
* fixed MqTT publish while appling power limit #1013
* slightly improved HMT live view (Voltage & Current)
