Moved clean_club_app_link_id to cleaning.
This method is now also used by the club create_form. Which means that you cannot create a new club with an already reserved link_id until the club application has been rejected.
Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed
# Want to get everything from the 'normal' models package.
from django.db.models import *
# The GeoManager
from django.contrib.gis.db.models.manager import GeoManager
# The GeoQ object
from django.contrib.gis.db.models.query import GeoQ
# The geographic-enabled fields.
from django.contrib.gis.db.models.fields import \
GeometryField, PointField, LineStringField, PolygonField, \
MultiPointField, MultiLineStringField, MultiPolygonField, \
GeometryCollectionField
# The geographic mixin class.
from mixin import GeoMixin