Add list_helpers functions that are going to be used when rendering list views like (Users List, Sponsors List etc). Add list default templates and CSS classes. Patch by: Pawel Solyga 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 = {}