refactor(di): unified di injector and core injector

BREAKING CHANGES:

* InjectAsync and InjectLazy have been removed
* toAsyncFactory has been removed

modules/angular2/src/core/annotations/decorators.dart

@@ -1,6 +1,5 @@
 library angular2.core.decorators;
 
 export '../annotations_impl/annotations.dart';
-export '../annotations_impl/visibility.dart';
 export '../annotations_impl/view.dart';
 export '../annotations_impl/di.dart';

modules/angular2/src/core/annotations/decorators.ts

@@ -5,12 +5,6 @@ import {
   DirectiveArgs
 } from './annotations';
 import {ViewAnnotation, ViewArgs} from './view';
-import {
-  SelfAnnotation,
-  ParentAnnotation,
-  AncestorAnnotation,
-  UnboundedAnnotation
-} from './visibility';
 import {AttributeAnnotation, QueryAnnotation} from './di';
 import {makeDecorator, makeParamDecorator, TypeDecorator, Class} from '../../util/decorators';
 import {Type} from 'angular2/src/facade/lang';
@@ -46,12 +40,6 @@ export var Directive = <Directive>makeDecorator(DirectiveAnnotation);
 /* from view */
 export var View = <View>makeDecorator(ViewAnnotation, (fn: any) => fn.View = View);
 
-/* from visibility */
-export var Self = makeParamDecorator(SelfAnnotation);
-export var Parent = makeParamDecorator(ParentAnnotation);
-export var Ancestor = makeParamDecorator(AncestorAnnotation);
-export var Unbounded = makeParamDecorator(UnboundedAnnotation);
-
 /* from di */
 export var Attribute = makeParamDecorator(AttributeAnnotation);
 export var Query = makeParamDecorator(QueryAnnotation);

modules/angular2/src/core/annotations/visibility.dart

@@ -1,3 +0,0 @@
-library angular2.core.annotations.visibility;
-
-export "../annotations_impl/visibility.dart";

modules/angular2/src/core/annotations/visibility.ts

@@ -1,6 +0,0 @@
-export {
-  Self as SelfAnnotation,
-  Ancestor as AncestorAnnotation,
-  Parent as ParentAnnotation,
-  Unbounded as UnboundedAnnotation
-} from '../annotations_impl/visibility';