grafana: data_ref_dashboard: tune up a little more
grafana: data_ref_dashboard: tune up a little more

More improvements to the basic alarm and exception flag
presentation..

Signed-off-by: Nishanth Menon <7e6cb43b3e09d23c549b72454eb9e253119b219d@gmail.com>

nmenon/masimo-datacapture,nmenon/masimo-datacapture