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/features/listview/test/directives/MCTGestureSpec.js

@@ -39,7 +39,7 @@ define(
                     "gestureService",
                     ["attachGestures"]
                 );
-                gestureService.attachGestures.andReturn(
+                gestureService.attachGestures.and.returnValue(
                     attachedGesture
                 );
                 mctGesture = MCTGesture(gestureService);
@@ -77,7 +77,7 @@ define(
                     '$destroy',
                      jasmine.any(Function)
                 );
-                scope.$on.mostRecentCall.args[1]();
+                scope.$on.calls.mostRecent().args[1]();
                 expect(attachedGesture.destroy).toHaveBeenCalled();
             });