[atlas] Graphs and measurements are scaled by a factor of 1000

Starting from 06/02/2020 at 6.00 AM UTC all graphs and measurements are scaled by a factor of 1000. Something went wrong on probes backend... "An error occurred while retrieving measurement data. We apologise and do our best to fix it asap!" See: https://atlas.ripe.net/probes/249/#!tab-builtins https://atlas.ripe.net/probes/12120/#!tab-builtins E. -- | ENRICO ARDIZZONI | Responsabile Ufficio Reti e Sistemi | Università degli Studi di Ferrara