Removed obsolete logic directories and added one for model
The model/ directory will contain the Base logic classes.
Patch by: Sverre Rabbelier
Reviewed by: to-be-reviewed
from django.db.backends.dummy.base import complain
get_table_list = complain
get_table_description = complain
get_relations = complain
get_indexes = complain
DATA_TYPES_REVERSE = {}