Added script to dump parcel data into Postgres
Added script to dump parcel data into Postgres

- export_parcels.sh will be run automatically during the image setup

wrightgd/citydash,cityofsomerville/cornerwise,patilav/citydash,patilav/citydash,ejegg/citydash,cityofsomerville/cornerwise,patilav/citydash,patilav/citydash,cityofsomerville/citydash,ejegg/citydash,cityofsomerville/citydash,codeforboston/cornerwise,codeforboston/cornerwise,codeforboston/cornerwise,cityofsomerville/cornerwise,wrightgd/citydash,codeforboston/cornerwise,ejegg/citydash,cityofsomerville/citydash,cityofsomerville/citydash,wrightgd/citydash,cityofsomerville/cornerwise,ejegg/citydash,wrightgd/citydash