Copy attr primary_section data
Copy attr primary_section data

primary_section is no longer held as a field on the model, using the underlying taggable lib it gets calculated from the value stored in sections.
theodi/panopticon,alphagov/panopticon,theodi/panopticon,alphagov/panopticon,theodi/panopticon,theodi/panopticon,alphagov/panopticon,alphagov/panopticon