refactor(exception_handler): move ExceptionHandler into facade

modules/angular2/src/core/application_common.ts

@@ -27,7 +27,7 @@ import {
   KeyValueDiffers,
   defaultKeyValueDiffers
 } from 'angular2/src/core/change_detection/change_detection';
-import {ExceptionHandler} from './exception_handler';
+import {ExceptionHandler} from 'angular2/src/core/facade/exception_handler';
 import {ViewLoader} from 'angular2/src/core/render/dom/compiler/view_loader';
 import {StyleUrlResolver} from 'angular2/src/core/render/dom/compiler/style_url_resolver';
 import {StyleInliner} from 'angular2/src/core/render/dom/compiler/style_inliner';

modules/angular2/src/core/facade/exception_handler.ts

@@ -1,4 +1,3 @@
-import {Injectable} from 'angular2/src/core/di';
 import {isPresent, isBlank, print, BaseException} from 'angular2/src/core/facade/lang';
 import {ListWrapper, isListLikeIterable} from 'angular2/src/core/facade/collection';
 
@@ -31,7 +30,6 @@ class _ArrayLogger {
  *
  * ```
  */
-@Injectable()
 export class ExceptionHandler {
   constructor(private _logger: any, private _rethrowException: boolean = true) {}
 

modules/angular2/src/core/platform_bindings.ts

@@ -1,5 +1,5 @@
 import {bind} from 'angular2/src/core/di';
-import {ExceptionHandler} from './exception_handler';
+import {ExceptionHandler} from 'angular2/src/core/facade/exception_handler';
 import {DOM} from 'angular2/src/core/dom/dom_adapter';
 
 export const EXCEPTION_BINDING =