Choropleth

Got the choropleth to work. Need to figure out zoom now, too...
Made the bar chart

I created the bar chart and managed to get the attributes to scale
relative to the size of the chart (important since the values range from
small percentages like 1.2 up to population totals in the tens of
thousands).
Merge pull request #1 from JonKoser/master

Combine_Branches