docs(chore): fix bad links in the API docs

modules/angular2/src/core/application_common.ts

@@ -99,7 +99,7 @@ export function applicationDomBindings(): Array<Type | Binding | any[]> {
  *
  * If no bindings are provided, calling {@link platform}() is idempotent,
  * and will use the default platform bindings (which can be obtained from
- * {@link rootBindings}).
+ * {@link ApplicationRef/rootBindings}).
  */
 export function platform(bindings?: Array<Type | Binding | any[]>): PlatformRef {
   return platformCommon(bindings, () => {

modules/angular2/src/core/application_ref.ts

@@ -308,7 +308,7 @@ export class ApplicationRef {
   get injector(): Injector { return this._injector; }
 
   /**
-   * Retrieve the application {@link Zone}.
+   * Retrieve the application {@link NgZone}.
    */
   get zone(): NgZone { return this._zone; }
 

modules/angular2/src/core/metadata.ts

@@ -148,7 +148,7 @@ export interface DirectiveFactory {
 }
 
 /**
- * {@link ComponentAnnotation} factory for creating annotations, decorators or DSL.
+ * {@link ComponentMetadata} factory for creating annotations, decorators or DSL.
  *
  * ## Example as TypeScript Decorator
  *
@@ -220,7 +220,7 @@ export interface ComponentFactory {
 }
 
 /**
- * {@link ViewAnnotation} factory for creating annotations, decorators or DSL.
+ * {@link ViewMetadata} factory for creating annotations, decorators or DSL.
  *
  * ## Example as TypeScript Decorator
  *