Allow customization of display of country attribute pane on choropleths

[computermacgyver]

jquery tooltips?
ability to swap in various Google Charts?

Allow one or more of
*Text
*Bars 1-3,
*Pie chart
*Line graph?

[computermacgyver]

Any number of bars are now allowed along with any number of text labels.

As discussed long ago, also look at D3 for this https://github.com/mbostock/d3/tree/master/examples/choropleth