[Code Style] Use prototypes in platform

WTD-1482

platform/core/test/objects/DomainObjectSpec.js

@@ -25,7 +25,7 @@
  * DomainObjectSpec. Created by vwoeltje on 11/6/14.
  */
 define(
-    ["../../src/objects/DomainObject"],
+    ["../../src/objects/DomainObjectImpl"],
     function (DomainObject) {
         "use strict";
 

platform/core/test/types/TypeImplSpec.js

@@ -23,7 +23,7 @@
 
 define(
     ['../../src/types/TypeImpl'],
-    function (typeImpl) {
+    function (TypeImpl) {
         "use strict";
 
         describe("Type definition wrapper", function () {
@@ -41,7 +41,7 @@ define(
                     properties: [ {} ],
                     model: {someKey: "some value"}
                 };
-                type = typeImpl(testTypeDef);
+                type = new TypeImpl(testTypeDef);
             });
 
             it("exposes key from definition", function () {

platform/core/test/types/TypeProviderSpec.js

@@ -128,7 +128,7 @@ define(
             });
 
             it("includes capabilities from undefined type in all types", function () {
-                captured.type = TypeProvider.instantiate(
+                captured.type = new TypeProvider(
                     testTypeDefinitions.concat([
                         { capabilities: ['a', 'b', 'c'] },
                         { capabilities: ['x', 'y', 'z'] }