use just pumphistory-24h-zoned for COB calc; refresh it every 10-30m (#936)
use just pumphistory-24h-zoned for COB calc; refresh it every 10-30m (#936)

* use just pumphistory-24h-zoned for COB calc; refresh it every 10-30m

* try using settings/pumphistory-24h-zoned.json everywhere

* fix >2m old (or empty) check to use pumphistory-24h

openaps/oref0,PieterGit/oref0,openaps/oref0,PieterGit/oref0,PieterGit/oref0,openaps/oref0,openaps/oref0,PieterGit/oref0