MIDI long-term calibrations monitor

This is an overview of the current age of MIDI long-term calibrations. These are calibrations which are not triggered by science data but by the maintenance part of the calibration plan. This list includes maintenance, technical and Health Check calibrations.

type of calibration:	tag defining the type of calibration
description:	description of data
validity:	as configured (follows the definition in the calibration plan)
current age of last calibration	age of last calibration found, in days
evaluation:	recommended action OK/green: within 30% of validity, no need for action; soft REMINDER/yellow: within validity but less than 30%, refresh on next occasion; REMINDER/yellow: outdated but less than 30%, refresh on next occasion; REMINDER/red: outdated by more than 30%, refresh as soon as possible nothing found in last year: most likely a configuration error