* Replace angular.extend with Utilities.extend
* Replace more references of angular.extend with Utilities.extend
* Replace angular.extend
* Replace last reference of angular.extend except in Utilities itself
* Use spread operator
* Add spread operator
* Use existing format with empty destination object
* Configurate Babel to work with JS spread operator
* Use default for loose property which is "false"
* use alias for angular.extend - removes need for any other changes and makes multiple arguments easy
Co-authored-by: Nathan Woulfe <nathan@nathanw.com.au>