Patch that adds the JS and CSS files for surveys. The only update is in app/jquery/jquery-ui.core.js, from a non-release (added by Paweł for the date picker) to a slightly updated released version. Reviewed by: Lennard de Rijk, Mario Ferraro Patch by: Daniel Diniz, James Levy

"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)