CLC-4284 - Update AngularJS

https://jira.ets.berkeley.edu/jira/browse/CLC-4284

https://github.com/angular/angular.js/blob/master/CHANGELOG.md#1225-hypnotic-gesticulation-2014-09-16
Merge pull request #2968 from christianv/CLC-4284

CLC-4284 - Update AngularJS