Change the Group model to conform to the information returned by the Smarty Street API.
Change the Group model to conform to the information returned by the
Smarty Street API.

nyc-mud-turtles-2015/nghborly,nyc-mud-turtles-2015/nghborly,kimchanyoung/nghborly,nyc-mud-turtles-2015/nghborly,kimchanyoung/nghborly,kimchanyoung/nghborly