docs(demos): menu should be enabled when section loads

demos/component-docs/app.html

@@ -2,7 +2,7 @@
 <img src="img/ios-statusbar.png" style="display:none" id="ios-only">
 
 
-<ion-menu [content]="content" id="leftMenu">
+<ion-menu [content]="content" id="leftMenu" side="left">
 
   <ion-toolbar primary>
     <ion-title>Menu</ion-title>

demos/component-docs/index.ts

@@ -25,16 +25,16 @@ class DemoApp {
     ];
 
     this.platform.ready().then( () => {
+
       window.addEventListener('message', (e) => {
+
         zone.run(() => {
           if (e.data) {
-
             var data = JSON.parse(e.data);
             if (data.hash) {
               this.nextPage = helpers.getPageFor(data.hash.replace('#', ''));
+              if (data.hash !== 'menus') {
                 this.app.getComponent('leftMenu').enable(false);
-              if (data.hash === 'menus') {
-                this.app.getComponent('leftMenu').enable(true);                
               }
             } else {
               this.nextPage = actionSheets.BasicPage;
@@ -57,6 +57,7 @@ class DemoApp {
 
   openPage(page) {
     // close the menu when clicking a link from the menu
+    // debugger;
     this.app.getComponent('leftMenu').close();
 
     // Reset the content nav to have just this page

demos/component-docs/menus/basic/pages.ts

@@ -7,7 +7,9 @@ import * as helpers from '../../helpers';
   directives: [forwardRef(() => helpers.AndroidAttribute)]
 })
 export class BasicPage{
-  constructor() {
+  constructor(app: IonicApp) {
+    this.app = app;
+    this.app.getComponent('leftMenu').enable(true);
   }
 }