* fix ESP8266 inverter settings #1226
* send radio statistics via MqTT #1227
* made night communication inverter depended
* added option to prevent adding values of inverter to total values (MqTT only) #1199
* 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
* MqTT alarm data was never sent, fixed
* REST API: added alarm data
* REST API: made get record obsolete
* REST API: added power limit acknowledge `/api/inverter/id/[0-x]` #1072
* merge PR #1069 make MqTT client ID configurable
* fix#1016, general MqTT status depending on inverter state machine
* changed icon for fully available inverter to a filled check mark #1070
* fixed `last_success` update with MqTT #1068
* removed `improv` esp-web-installer script, because it is not fully functional at this time
* merge PR #1056, visualization html
* update MqTT library to 1.4.4
* update RF24 library to 1.4.7
* update ArduinoJson library to 6.21.3
* set minimum invervall for `/live` to 5 seconds
* fix display of hidden SSID checkbox
* changed yield correction data type to `double`, now decimal places are supported
* corrected name of 0.91" display in settings
* attempt to fix MqTT zero values only if setting is there #980, #957
* made AP password configurable #951
* added option to start without time-sync, eg. for AP-only-mode #951
* fix: no MQTT `total` sensor for autodiscover if only one inverter was found #805
* fix: MQTT `total` renamed to `device_name` + `_TOTOL` for better visibility #805
fix add inverter `setup.html` #766
fix MQTT retained flag for total values #726
renamed buttons for import and export `setup.html`
added serial message `settings saved`
reduced maximum allowed JSON size for API to 6000Bytes #660
small fix: output command at `prepareDevInformCmd` #692
improved inverter handling for MQTT #671
webserial minor overflow fix#660
web `index.html` improve version information #701
fix MQTT sets power limit to zero (0) #692
changed `reset at midnight` with timezone #697
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
