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

Conflicts:
	js/name_relation.js

Pull hub proto_v1. Add donut remove name_relation.js, add CONSTANT.js
instead.
Add new data generation function in util.
line chart update
Update LineCharts.js/CONSTANT.js to prototype version