WATERSMART-292
* moved results of biodata map selection to StoredState
* minor reformatting
Bringing in export servlet outside of SpringMVC context
ET button sets up download, just need to hook up data
have downloads working, though I need to split up the prcp and et
successfully split up the data series, need to fix the plot yet
plots are looking alright, buttons need a bit of help with positioning
Merge pull request #71 from jiwalker-usgs/master

data download