chore(): fix IonicApp types

ionic/components/app/app.ts

@@ -13,20 +13,19 @@ import {rafFrames} from '../../util/dom';
  */
 @Injectable()
 export class IonicApp {
+  private _titleSrv: Title = new Title();
+  private _title: string = '';
+  private _disTime: number = 0;
+  private _scrollTime: number = 0;
+
+  // Our component registry map
+  private components: any = {};
 
   constructor(
     private _config: Config,
     private _clickBlock: ClickBlock,
     private _zone: NgZone
-  ) {
-    this._titleSrv = new Title();
-    this._title = '';
-    this._disTime = 0;
-    this._scrollTime = 0;
-
-    // Our component registry map
-    this.components = {};
-  }
+  ) {}
 
   /**
    * Sets the document title.

ionic/components/app/id.ts

@@ -1,4 +1,4 @@
-import {AppViewManager, ElementRef, Directive, Renderer} from 'angular2/core';
+import {AppViewManager, ElementRef, Directive, Renderer, Input} from 'angular2/core';
 
 import {IonicApp} from './app';
 
@@ -41,6 +41,8 @@ import {IonicApp} from './app';
   inputs: ['id']
 })
 export class IdRef {
+  component: any;
+  id: string;
 
   constructor(private _app: IonicApp, private _elementRef: ElementRef, private _appViewManager: AppViewManager) {
     // Grab the component this directive is attached to
@@ -75,11 +77,11 @@ export class IdRef {
  * @demo /docs/v2/demos/attr/
  */
 @Directive({
-  selector: '[attr]',
-  inputs: ['attr']
+  selector: '[attr]'
 })
 
 export class Attr {
+  @Input() attr: string;
   constructor(private _renderer: Renderer, private _elementRef: ElementRef) {}
 
 /**