i have make a pie chart

http://jsfiddle.net/addteqmilind/zbsg4oLg/

in between label Project1,Project2, Project3..... and all
i want in Curve shape , as you can say as Round Shape...
Project 5 is showing in round shape in Issue51 to 54
that will make my graph cool and interactive.
and all curve will be set like that.