created Hindcast.R, a striped down version of Operations.R that specifies year to run and doesn't download new data
modified MakeAnimation to increase image size
modified webpage to add threshold date forecast in addition to time series
in check.for.FM.model, add year as argument, default to current year
fix bug in create.FM.model using the wrong date in the Threshold image
update.FM.model: added prints of dates for debugging, bug fix with num.ensemble, increase in image sizes