Fixes extinction alias, put start hour of median to 0, changed calc_median to consider the configuration parameter "delay" in dates.json to calculate on current day or yesterday

Added option "delay" in dates.json to set if forecast is realtime or not. Changed get_figure function to read that parameter and find data accordingly

Update height of vis comparison and observations/visibility so that there is...

See merge request !26

Update height of vis comparison and observations/visibility so that there is no gap at bottom of page when in fullscreen

Revert "Merge branch 'dev-disclaimer-fix' into 'master'"

See merge request !25