moved observableobject to util

DoctorApp/Models/Info.cs

@@ -2,6 +2,7 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
+using Util;
 
 namespace DoctorApp.Models
 {

DoctorApp/Utils/ObservableObject.cs

@@ -1,12 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Text;
-
-namespace DoctorApp.Utils
-{
-    public abstract class ObservableObject : INotifyPropertyChanged
-    {
-        public event PropertyChangedEventHandler PropertyChanged;
-    }
-}

DoctorApp/ViewModels/LoginViewModel.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.Text;
 using System.Windows.Controls;
 using System.Windows.Input;
+using Util;
 
 namespace DoctorApp.ViewModels
 {

DoctorApp/ViewModels/MainViewModel.cs

@@ -5,6 +5,7 @@ using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Text;
 using System.Windows.Controls;
+using Util;
 
 namespace DoctorApp.ViewModels
 {

DoctorApp/ViewModels/MainWindowViewModel.cs

@@ -3,6 +3,7 @@ using DoctorApp.Utils;
 using System;
 using System.Collections.Generic;
 using System.Text;
+using Util;
 
 namespace DoctorApp.ViewModels
 {