Merge pull request #42 from phuonghuynh/master

I  wanna get the latest code
Merge pull request #43 from phuonghuynh/master

Build json support piechart : [ ["java" , 19] , ["php" , 30 ] ]
Merge pull request #44 from phuonghuynh/master

Fix reload chart when duplicate click on same button
uppercase datalabel for pie chart and remove "bubbleChart" in "redirectTo" on app.js
Fix change count in terms