feat(di): rename Binding into Provider

Closes #4416

Closes #4654

modules/angular2/test/tools/spies.ts

@@ -1,5 +1,5 @@
 import {SpyObject} from 'angular2/test_lib';
-import {LifeCycle, Injector, bind} from 'angular2/angular2';
+import {LifeCycle, Injector, provide} from 'angular2/angular2';
 import {ComponentRef} from 'angular2/src/core/linker/dynamic_component_loader';
 import {global} from 'angular2/src/core/facade/lang';
 
@@ -7,7 +7,7 @@ export class SpyComponentRef extends SpyObject {
   injector;
   constructor() {
     super();
-    this.injector = Injector.resolveAndCreate([bind(LifeCycle).toValue({tick: () => {}})]);
+    this.injector = Injector.resolveAndCreate([provide(LifeCycle, {asValue: {tick: () => {}}})]);
   }
 }