Foliar moisture content now properly calculates the date of minimum moisture and
will append it to the output so allow the user to see the D0 in the output.
data.table from depends to importsfbp.BROSCalc -> back_rate_of_spread.BEcalc -> buildup_effect.buiCalc -> buildup_index.C6calc -> intermediate_surface_rate_of_spread_c6,
crown_rate_of_spread_c6, crown_fraction_burned_c6, rate_of_spread_c6.CFBcalc -> critical_surface_intensity, surface_fire_rate_of_spread,
crown_fraction_burned.DCCalc -> drought_code.DISTtcalc -> distance_at_time.dmcCalc -> duff_moisture_code.ffmcCalc -> foliar_moisture_content.FBPcalc -> fire_behaviour_prediction.FIcalc -> fire_intensityfireSeason -> fire_seasonfwiCalc -> fire_weather_index.FROScalc -> flank_rate_of_spread.FMCcalc -> foliar_moisture_content.ISIcalc -> initial_spread_index.LBtcalc -> length_to_breadth_at_time.LBcalc -> length_to_breadthwDC -> overwinter_drought_code.ROSthetacalc -> rate_of_spread_at_theta.ROStcalc -> rate_of_spread_at_time.ROScalc -> rate_of_spread.SFCcalc -> surface_fuel_consumption.TFCcalc -> total_fuel_consumption