Removed getSurveyResponseFromPost from Surveys helper.
We will use the power of Django Forms instead of getting our own properties. This fits better into the rest of Melange which also uses this approach.
"Decorator for views that gzips pages if the client supports it."
from django.utils.decorators import decorator_from_middleware
from django.middleware.gzip import GZipMiddleware
gzip_page = decorator_from_middleware(GZipMiddleware)