Fix time representation in plots
Fix time representation in plots

Plots values have been respresented in minutes since the beginning of SAOP.
The DateFormatter now takes this in account instead of assuming time stamps in seconds

fire-rs-laas/fire-rs-saop,fire-rs-laas/fire-rs-saop,fire-rs-laas/fire-rs-saop,fire-rs-laas/fire-rs-saop