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/groups.cpp

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2008-2018, Tomasz Sowa
+ * Copyright (c) 2008-2021, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -63,7 +63,16 @@ void Groups::ReadGroups(Db * db)
 {
 	Clear();
 	
-	db->GetGroups(table);	
+	morm::Finder<Group> finder(model_connector);
+
+	std::vector<Group> groups_tmp = finder.
+		select().
+		get_vector();
+
+	for(Group & group : groups_tmp)
+	{
+		table.PushBack(group);
+	}
 }