nav updates

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

@@ -0,0 +1,19 @@
+import {Component, View, Parent} from 'angular2/angular2'
+import {NavController} from 'ionic/components'
+
+
+@Component()
+@View({
+  templateUrl: 'pages/third-page.html',
+  directives: []
+})
+export class ThirdPage {
+  constructor(
+    nav: NavController
+  ) {
+    this.nav = nav
+  }
+  pop() {
+    this.nav.pop()
+  }
+}