update codes based on new Angular 2 version

frameworks/angular2.md

@@ -46,7 +46,7 @@ Make a `feathers.service.ts` file if you haven't already. This will contain the
 Let's create a new Angular service that uses REST to communicate with our server. In addition to the packages we previously installed, we also have to include a client REST library. In this guide, we'll be using [Superagent](http://visionmedia.github.io/superagent/).
 
 ```ts
-import { Injectable } from 'angular2/core';
+import { Injectable } from '@angular/core';
 const superagent = require('superagent');
 
 const HOST = 'http://localhost:3000'; // Your base server URL here
@@ -164,7 +164,7 @@ import {MessageService} from '../services/message.service';
 Now let's add it as a *provider* to the Angular 2 App Component.
 
 ```ts
-import {Component} from 'angular2/core';
+import {Component} from '@angular/core';
 @Component({
     selector: 'my-app',
     template: '<h1>My First Angular 2 App</h1>',
@@ -228,7 +228,7 @@ And that's it! Our component now has access to our messages via `_messages`. Fro
 @Component({
     ...
     template: `
-      <div class="message" *ngFor="#message of _messages">
+      <div class="message" *ngFor="let message of _messages">
          <h1 class="title">{{message.title}}</h1>
          <div class="description">{{message.description}}</div>
       </div>
@@ -242,7 +242,7 @@ There are nicer ways of doing this, but you get the idea. What if we want to rem
 @Component({
     ...
     template: `
-      <div class="message" *ngFor="#message of _messages" (click)="removeMessage(message)">
+      <div class="message" *ngFor="let message of _messages" (click)="removeMessage(message)">
         ...
       </div>
     `,
@@ -256,4 +256,4 @@ export class AppComponent () {
 
 ## Wrapping up
 
-Structuring our interactions with Feathers in this way is very powerful. It allows us to create new services easily with only the methods and behaviors that we need, and inject services only where they are needed. This code is also completely isomorphic, so we can run it on the server or in the client!
+Structuring our interactions with Feathers in this way is very powerful. It allows us to create new services easily with only the methods and behaviors that we need, and inject services only where they are needed. This code is also completely isomorphic, so we can run it on the server or in the client!