Update Angular to use package:observable

benchmark/watch_group_perf.dart

@@ -6,6 +6,7 @@ import 'package:angular/change_detection/dirty_checking_change_detector_dynamic.
 import 'package:angular/change_detection/dirty_checking_change_detector_static.dart';
 import 'package:angular/change_detection/watch_group.dart';
 import 'package:benchmark_harness/benchmark_harness.dart';
+import 'package:observable/observable.dart';
 import 'package:observe/observe.dart';
 import 'package:observe/mirrors_used.dart';
 import "dart:io";
@@ -419,7 +420,7 @@ class _Obj {
   methodT() => t;
 }
 
-class _ObservableObj extends ChangeNotifier {
+class _ObservableObj extends Observable {
   @reflectable @observable dynamic get a => __$a;
   dynamic __$a = 1;
   @reflectable set a(dynamic value) { __$a = notifyPropertyChange(#a, __$a, value); }

lib/change_detection/dirty_checking_change_detector.dart

@@ -4,7 +4,7 @@ import 'dart:collection';
 import 'package:angular/change_detection/change_detection.dart';
 import 'package:angular/change_detection/watch_group.dart';
 import 'dart:async';
-import 'package:observe/observe.dart' as obs;
+import 'package:observable/observable.dart' as obs;
 
 /**
  * [DirtyCheckingChangeDetector] determines which object properties have changed

pubspec.yaml

@@ -1,5 +1,5 @@
 name: angular
-version: '1.1.2+2'
+version: '1.1.2+3'
 authors:
 - Misko Hevery <misko@hevery.com>
 - Pavel Jbanov <pavelgj@gmail.com>
@@ -23,7 +23,8 @@ dependencies:
   di: '>=3.3.7 <4.0.0'
   html5lib: '>=0.12.0 <0.13.0'
   intl: '>=0.8.7 <0.12.0'
-  observe: '>=0.12.0 <0.14.0'
+  observable: '^0.14.0'
+  observe: '^0.14.0'
   perf_api: '>=0.0.9 <0.1.0'
   route_hierarchical: '>=0.6.1 <0.7.0'
 dev_dependencies:

test/change_detection/dirty_checking_change_detector_spec.dart

@@ -7,11 +7,8 @@ import 'package:angular/change_detection/dirty_checking_change_detector_static.d
 import 'package:angular/change_detection/dirty_checking_change_detector_dynamic.dart';
 import 'dart:collection';
 import 'dart:math';
-import 'package:observe/observe.dart'
-    show ObservableList,
-         ObservableMap,
-         ChangeNotifier,
-         observable;
+import 'package:observable/observable.dart' show Observable, ObservableList, ObservableMap;
+import 'package:observe/observe.dart' show observable;
 
 DirtyCheckingChangeDetector<String> detector;
 
@@ -1222,7 +1219,7 @@ class _User {
   }
 }
 
-class _ObservableUser extends ChangeNotifier {
+class _ObservableUser extends Observable {
   String __$first;
   String get first => __$first;
   void set first(String value) {