Update test specs to use Jasmine 3 (#2089)

* Updated Karma and Jasmine versions

* Added DOMObserver class. Supports promise-based testing of DOM changes

Update asynchronous test specs to use promises or done() instead of waitsFor/runs

* Modified ActionCapability to duplicate context object properties as own properties for better object equality comparisons

* Global find + replace to fix syntax issues

* Fixed various issues caused by non-deterministic runtime order of tests in Jasmine 3. Fixed issues caused by changes to determination of object equality

* Addressed review comments

* Resolved merge conflicts with master

* Fixed style errors

* Use spy.calls.count() instead of manually tracking

platform/commonUI/browse/test/navigation/NavigationServiceSpec.js

@@ -69,7 +69,7 @@ define(
                 navigationService.addListener(callback);
                 navigationService.setNavigation(testObject);
                 navigationService.setNavigation(testObject);
-                expect(callback.calls.length).toEqual(1);
+                expect(callback.calls.count()).toEqual(1);
             });
 
             it("stops notifying listeners after removal", function () {