chore(build): fix demo compile errors, tslint errors

fix demo compile errors, tslint errors

demos/src/navigation/AppModule.ts

@@ -0,0 +1,60 @@
+import { Component, NgModule } from '@angular/core';
+import { IonicApp, IonicModule, NavController } from 'ionic-angular';
+
+let pageNum = 2;
+
+@Component({
+  templateUrl: 'main.html'
+})
+export class ApiDemoPage {
+  constructor(public navCtrl: NavController) {}
+
+  push() {
+    this.navCtrl.push(PushPage);
+  }
+}
+
+@Component({
+  templateUrl: 'page.html'
+})
+export class PushPage {
+  pageNum = pageNum;
+
+  constructor(public navCtrl: NavController) {}
+
+  push() {
+    pageNum++;
+    this.navCtrl.push(PushPage);
+  }
+
+  pop() {
+    if (pageNum > 2) {
+      pageNum--;
+    }
+    this.navCtrl.pop();
+  }
+}
+
+
+@Component({
+  template: '<ion-nav [root]="root"></ion-nav>'
+})
+export class ApiDemoApp {
+  root = ApiDemoPage;
+}
+
+@NgModule({
+  declarations: [
+    PushPage,
+    ApiDemoApp,
+    ApiDemoPage
+  ],
+  imports: [
+    IonicModule.forRoot(ApiDemoApp)
+  ],
+  bootstrap: [IonicApp],
+  entryComponents: [
+    ApiDemoPage
+  ]
+})
+export class AppModule {}

demos/src/navigation/main.html

@@ -0,0 +1,14 @@
+<ion-header>
+
+  <ion-navbar>
+    <ion-title>Navigation</ion-title>
+  </ion-navbar>
+
+</ion-header>
+
+
+<ion-content padding>
+
+  <button ion-button block (click)="push()">Push New Page</button>
+
+</ion-content>

demos/src/navigation/page.html

@@ -0,0 +1,15 @@
+<ion-header>
+
+  <ion-navbar>
+    <ion-title>Page {{pageNum}}</ion-title>
+  </ion-navbar>
+
+</ion-header>
+
+
+<ion-content padding>
+
+  <button ion-button block (click)="push()">Push Another Page</button>
+  <button ion-button color="secondary" block (click)="pop()">Pop This Page</button>
+
+</ion-content>