Periodically invoke the pruner

[tsmanner]

Is your feature request related to a problem? Please describe.
The pruner isn't running.

Describe the solution you'd like
A periodic trigger on the database host or some other backend server to trigger pruning.

Describe alternatives you've considered
A button on the web front end to manually start a database prune

[tsmanner]

Partially implemented, the route exists so the request can be made.