Refactor for ch08
Refactor for ch08

boyisboyis/angello,DMinerJackie/angelloExtend,tmngassa/angello,angularjs-in-action/angello,mikhaild908/angello,tmngassa/angello,mikhaild908/angello,subirrastogi/angello,subirrastogi/angello,boyisboyis/angello,angularjs-in-action/angello,DMinerJackie/angelloExtend