0.7.0

Features & changes:

• Gateway management and stats
  • Gateway management UI and API (accessible by global admin users) was added.
  • Gateway locations are now exposed in the uplink MQTT topic
  • Requires LoRa Server 0.16.0+.
• On MQTT and PostgreSQL connect error, LoRa App Server will retry instead
  of fail.

Many thanks again to @jcampanell-cablelabs
for collaborating on this feature.