updating ngWidApp, added backbutton and cleardata functions to the widApp's scope
adding window.event.returnValue = false to callExecute() to prevent default html functionality
updating ngWidApp with backbutton logic
adding remFromAngular and making addToAngular more robust
changing addToAngular
making teh scope refresh when something is added or removed
updating remFromAngular logic
correcting issue in remFromAngular
updating the extend in the upsert process of addToAngular