if(usernameTaken) {


            }else{
                /*Username is available - Check email taken or not (if not, register)*/
                      var error = self.firebaseProvider.registerUser(self.email,self.password,self.username, self.name);

                if(error.code !== ""){
                    if(error.code == "auth/email-already-in-use"){
                        let alert = self.alertCtrl.create({
                          title: 'Email Exists',
                          subTitle: 'The email you entered is already registered.',
                          buttons: ['Retry']
                        });
                        alert.present();
                      }else if(error.code == 'auth/weak-password') {
                        let alert = self.alertCtrl.create({
                          title: 'Validation Error',
                          subTitle: 'The password entered is weak and should be 6 characters.',
                          buttons: ['Retry']
                        });
                        alert.present();
                      }
                }
            }

registerUser(email: string, password: string, username: string, name: string): (any) {
      var self = this;

      this.fbAuth.auth.createUserWithEmailAndPassword(email, password).then(function() {
        var user = firebase.auth().currentUser;
        self.createUserRecord(username, email, name);
      }).catch(function(error) {
        //Handle error
        return error;
      });

  }