[Plugins] Bring over timeline, clock plugins

WTD-1239

platform/features/timeline/test/TimelineConstantsSpec.js

@@ -0,0 +1,14 @@
+/*global define,describe,it,expect,beforeEach,waitsFor,jasmine,window,afterEach*/
+
+define(
+    ['../src/TimelineConstants'],
+    function (TimelineConstants) {
+        "use strict";
+        describe("The set of Timeline constants", function () {
+            it("specifies a handle width", function () {
+                expect(TimelineConstants.HANDLE_WIDTH)
+                    .toEqual(jasmine.any(Number));
+            });
+        });
+    }
+);