adding an array list to user group to store all users in an array list, use this to add new users to panels maybe

src/main/java/cvbuilder/model/UserGroup.java

@@ -1,4 +1,14 @@
 package cvbuilder.model;
 
+import java.util.ArrayList;
+
 public class UserGroup {
+
+    private ArrayList<User> users;
+
+    public UserGroup()
+    {
+        new ArrayList<User>();
+    }
+
 }