nav updates

ionic/components/nav/test/basic/pages/first-page.js

@@ -1,22 +1,21 @@
 import {Component, View, Parent} from 'angular2/angular2'
-import {Nav} from 'ionic/ionic'
+import {NavController} from 'ionic/ionic'
 import {SecondPage} from 'pages/second-page'
 
-@Component({
-  selector: 'first-page'
-})
+
+@Component()
 @View({
   templateUrl: 'pages/first-page.html',
   directives: []
 })
 export class FirstPage {
   constructor(
-    @Parent() viewport: Nav
+    nav: NavController
   ) {
-    this.viewport = viewport
+    this.nav = nav;
   }
 
-  nextPage() {
-    this.viewport.push(SecondPage)
+  push() {
+    this.nav.push(SecondPage);
   }
 }