Late spring release.

This release has been focused around major backend upgrades on the server side in order to improve scalability and make some long awaited features possible.

Large changes to our Grafana plugins, the start of migration of database servers,a change of backup systems and point in time recovery make for large operational changes.

On the device side, the majority of work has gone into a battery management controller for devices that can steer charging and eliminate consumption power spikes.