chore(demos): update gitignore, clean up app.module.ts build errors

update gitignore, clean up app.module.ts build errors

demos/src/loading/app.component.ts

@@ -2,7 +2,7 @@ import { Component, ViewEncapsulation } from '@angular/core';
 import { LoadingController, NavController } from 'ionic-angular';
 
 @Component({
-  templateUrl: 'main.html'
+  templateUrl: 'page.html'
 })
 export class Page1 {
   constructor(public loadingCtrl: LoadingController, public navCtrl: NavController) {}

demos/src/loading/app.module.ts

@@ -1,18 +1,20 @@
 import { NgModule } from '@angular/core';
 import { IonicApp, IonicModule } from 'ionic-angular';
-import { ApiDemoApp, ApiDemoPage } from './app.component';
+import { ApiDemoApp, Page1, Page2 } from './app.component';
 
 @NgModule({
   declarations: [
     ApiDemoApp,
-    ApiDemoPage
+    Page1,
+    Page2
   ],
   imports: [
     IonicModule.forRoot(ApiDemoApp)
   ],
   bootstrap: [IonicApp],
   entryComponents: [
-    ApiDemoPage
+    Page1,
+    Page2
   ]
 })
 export class AppModule {}