Allow child_places to be passed in in context to override the child_places on an object.
Allow child_places to be passed in in context to override the
child_places on an object.

mysociety/pombola,patricmutwiri/pombola,hzj123/56th,hzj123/56th,ken-muturi/pombola,geoffkilpin/pombola,mysociety/pombola,mysociety/pombola,geoffkilpin/pombola,patricmutwiri/pombola,patricmutwiri/pombola,patricmutwiri/pombola,hzj123/56th,hzj123/56th,geoffkilpin/pombola,hzj123/56th,geoffkilpin/pombola,ken-muturi/pombola,ken-muturi/pombola,mysociety/pombola,geoffkilpin/pombola,ken-muturi/pombola,patricmutwiri/pombola,ken-muturi/pombola,mysociety/pombola,patricmutwiri/pombola,hzj123/56th,mysociety/pombola,geoffkilpin/pombola,ken-muturi/pombola