[release] LoRa App Server v2.5

LoRa App Server v2.5.0

Features

Support for retained messages

It is now possible to configure the retained flag for the MQTT integration.
When set, the MQTT broker will retain the last message and send this
immediately when a MQTT client connects. (#272)

Environment variable based configuration

Environment variable based configuration has been re-implemented.

Improvements

  • Calls made by the HTTP integration are now made async.
  • The alignment of the UI tabs has been improved.

Bugfixes

  • Fix potential deadlock on MQTT re-connect (#103)
  • Fix logrotate issue (init based systems) (#282)

LoRa App Server v2.5.1

Bugfixes

  • Fix panic in InfluxDB handler on null values in object (#295)