constructor(public storage: Storage, public navCtrl: NavController, public navParams: NavParams, public auth:Auth,) {

      this.storage.set('email', null);
      this.storage.set('password', null);
      this.fireAuth = firebase.auth();
	  	this.auth.logout();
	    this.navCtrl.setRoot(LoginPage);
  }

 logout() {
   //switch based on social login, could be better
   if(this.user.social && this.user.social.facebook) {
     this.facebookAuth.logout();
   } else {
     this.auth.logout();
   }
   this.navCtrl.setRoot(LoginPage);
 }

    this.platform.ready().then(() => {
      this.isWindows = this.platform.is('windows');
      if(this.platform.is('cordova')) {
        this.isAuthenticated = this.auth.isAuthenticated();
        // Google Analytics and user settings no applicable on Windows Phone
        if(!this.isWindows) {
          GoogleAnalytics.trackView('Home Page');

          if(this.user.social.facebook && this.user.social.facebook.uid) {
            this.currUser = {
              id: this.user.social.facebook.uid,
              name: this.user.social.facebook.data.full_name,
              photo: this.user.social.facebook.data.profile_picture
            };
          }
        }
      }
    });

 doTwitter() {
   console.log('do Twitter');
   this.auth.login('twitter').then(() => {
     this.navCtrl.setRoot(HomePage);
   });
 }

 logout() {
   this.auth.logout();
   this.navCtrl.setRoot(LoginPage);
 }