feat: add keyValDiff to default pipes

Author: pkozlowski-opensource

modules/angular2/change_detection.js

@@ -19,6 +19,7 @@ import {ProtoChangeDetector, DynamicProtoChangeDetector, JitProtoChangeDetector}
  from './src/change_detection/proto_change_detector';
 import {PipeRegistry} from './src/change_detection/pipes/pipe_registry';
 import {ArrayChangesFactory} from './src/change_detection/pipes/array_changes';
+import {KeyValueChangesFactory} from './src/change_detection/pipes/keyvalue_changes';
 import {NullPipeFactory} from './src/change_detection/pipes/null_pipe';
 
 export class ChangeDetection {
@@ -32,6 +33,10 @@ export var defaultPipes = {
  "iterableDiff" : [
  new ArrayChangesFactory(),
  new NullPipeFactory()
+ ],
+ "keyValDiff" : [
+ new KeyValueChangesFactory(),
+ new NullPipeFactory()
  ]
 };
 
@@ -64,4 +69,4 @@ export class JitChangeDetection extends ChangeDetection {
 var _registry = new PipeRegistry(defaultPipes);
 
 export var dynamicChangeDetection = new DynamicChangeDetection(_registry);
-export var jitChangeDetection = new JitChangeDetection(_registry);
+export var jitChangeDetection = new JitChangeDetection(_registry);