Replace common module with validate module. Move validation function from feed module to validate module and remove feed.py. Correct any usage of validation functions from common and feed modules into validate module. Patch by: Pawel Solyga Review 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 = {}