Renamed opening to survey_start and deadline to survey_end.
Symmetry seems to be both pleasing and helpful when understanding the code.
"""
Django validation and HTML form handling.
TODO:
Default value for field
Field labels
Nestable Forms
FatalValidationError -- short-circuits all other validators on a form
ValidationWarning
"This form field requires foo.js" and form.js_includes()
"""
from util import ValidationError
from widgets import *
from fields import *
from forms import *
from models import *