added city of Joplin, MO, USA (#4407)
added city of Joplin, MO, USA (#4407)

* added city of Joplin, MO, USA

* un-stringified boolean

mmdolbow/openaddresses,orangejulius/openaddresses,orangejulius/openaddresses,openaddresses/openaddresses,mmdolbow/openaddresses,openaddresses/openaddresses,mmdolbow/openaddresses,slibby/openaddresses,slibby/openaddresses,openaddresses/openaddresses,slibby/openaddresses,orangejulius/openaddresses