OpenNMS On the Horizon – Non-Root, Docs, Dependencies, Thresholding, Persisting, Time-Series, Metadata, Nephron, Minion, UI, Helm

Since last time, we worked on running as non-root, a bunch of doc updates, dependency updates, threshold validation, collection set persisting, time-series API and metadata, Nephron, Minion health check, UI improvements, and Helm dashboards.