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/table/test/TelemetryCollectionSpec.js

@@ -84,7 +84,7 @@ define(
 
                 it("discards telemetry data with a time stamp " +
                     "before specified start bound", function () {
-                    var discarded = discardedCallback.mostRecentCall.args[0];
+                    var discarded = discardedCallback.calls.mostRecent().args[0];
 
                     // Expect 5 because as an optimization, the TelemetryCollection
                     // will not consider telemetry values that exceed the upper