Factor out get_slug_redirect for use in non-class-based-views
Factor out get_slug_redirect for use in non-class-based-views

mysociety/pombola,ken-muturi/pombola,geoffkilpin/pombola,mysociety/pombola,geoffkilpin/pombola,geoffkilpin/pombola,ken-muturi/pombola,ken-muturi/pombola,mysociety/pombola,ken-muturi/pombola,geoffkilpin/pombola,mysociety/pombola,ken-muturi/pombola,mysociety/pombola,ken-muturi/pombola,mysociety/pombola,geoffkilpin/pombola,geoffkilpin/pombola