refactoring actionbar view
reafactoring object registry
refactoring app.js
refactoring bootstrapdata
refactoring addCommentView
refactoring commentView
refactoring listCollectionView
refactoring listView
refactoring notview
refactoring router
refactoring taskCollectionView
refactoring taskCollectionView
refactoring taskModel
refactoring taskView
adding util.js
modifying backboneJs
adding util in require config
updating listModelSpec
adding taskCollectionSpec
updating specRunner