start working on User and Group classes

- User and Group has been moved to 'models' directory
- removed UserPass struct (passwords fields were put to User struct)
not working yet, we need support for binary blobs in morm

winixd/core/users.cpp

@@ -79,8 +79,18 @@ void Users::Clear()
 
 void Users::ReadUsers(Db * db)
 {
-	Clear();	
-	db->GetUsers(table);
+	Clear();
+
+	morm::Finder<User> finder(model_connector);
+
+	std::list<User> users_tmp = finder.
+		select().
+		get_list();
+
+	for(User & user : users_tmp)
+	{
+		table.PushBack(user);
+	}
 }