Fixed create_requests migration.
Fixed create_requests migration.

Deleted extra commas at the end of the content and requester_id.

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