feat(di): change the params of Provider and provide to start with "use"

Closes #4684

modules/angular2/src/router/location.ts

@@ -30,7 +30,7 @@ import {OpaqueToken, Injectable, Optional, Inject} from 'angular2/angular2';
  * bootstrap(AppCmp, [
  *   ROUTER_PROVIDERS,
  *   PathLocationStrategy,
- *   provide(APP_BASE_HREF, {asValue: '/my/app'})
+ *   provide(APP_BASE_HREF, {useValue: '/my/app'})
  * ]);
  * ```
  */

modules/angular2/src/router/path_location_strategy.ts

@@ -44,7 +44,7 @@ import {LocationStrategy} from './location_strategy';
  *
  * bootstrap(AppCmp, [
  *   ROUTER_PROVIDERS, // includes binding to PathLocationStrategy
- *   provide(APP_BASE_HREF, {asValue: '/my/app'})
+ *   provide(APP_BASE_HREF, {useValue: '/my/app'})
  * ]);
  * ```
  */

modules/angular2/src/router/router_outlet.ts

@@ -58,9 +58,9 @@ export class RouterOutlet {
     var childRouter = this._parentRouter.childRouter(componentType);
 
     var providers = Injector.resolve([
-      provide(ROUTE_DATA, {asValue: nextInstruction.routeData()}),
-      provide(RouteParams, {asValue: new RouteParams(nextInstruction.params)}),
-      provide(routerMod.Router, {asValue: childRouter})
+      provide(ROUTE_DATA, {useValue: nextInstruction.routeData()}),
+      provide(RouteParams, {useValue: new RouteParams(nextInstruction.params)}),
+      provide(routerMod.Router, {useValue: childRouter})
     ]);
     return this._loader.loadNextToLocation(componentType, this._elementRef, providers)
         .then((componentRef) => {