nothing changed
Merge branch 'proto_v1' of https://github.com/erichoco/interactive-charts-prototype into proto_v1

Conflicts:
	js/main_v2.js
overwrite hub to local main_v2.js
add stupid .DS_Store
Index-ized DonutCharts data. Setup interactions between donut and line
Fix donut line interaction bug.
Fixing BarCharts
Fixing updateBar of BarCharts
BarCharts modification done. TOFIX: radio and donut interactions