fix imports

demo/app/app.ts

@@ -1,2 +1,2 @@
-import * as application from 'application';
-application.start({ moduleName: "main-page" });
+import * as application from 'tns-core-modules/application';
+application.start({ moduleName: 'main-page' });

demo/app/main-page.ts

@@ -1,21 +1,21 @@
-import * as observable from 'data/observable';
-import * as pages from 'ui/page';
+import * as observable from 'tns-core-modules/data/observable';
+import * as pages from 'tns-core-modules/ui/page';
 import { HelloWorldModel } from './main-view-model';
 
 // Event handler for Page 'loaded' event attached in main-page.xml
 export function pageLoaded(args: observable.EventData) {
-    // Get the event sender
-    let page = <pages.Page>args.object;
-    page.bindingContext = new HelloWorldModel(page);
+  // Get the event sender
+  let page = <pages.Page>args.object;
+  page.bindingContext = new HelloWorldModel(page);
 }
 
 export function camLoaded(args: any) {
-    console.log(`cam loaded event`);
+  console.log(`cam loaded event`);
 
-    try {
-        const flashMode = args.object.getFlashMode();
-        console.log(`flashMode in loaded event = ${flashMode}`);
-    } catch (e) {
-        console.log(e);
-    }
-}
+  try {
+    const flashMode = args.object.getFlashMode();
+    console.log(`flashMode in loaded event = ${flashMode}`);
+  } catch (e) {
+    console.log(e);
+  }
+}