Localisation for create_surname and create_given_name (part 2)

Summary:
These scripts now actually use the localisation provided.

This is a follow-up for 66c0b27797dd. Fixes T892.

Side edit: import statements by alphabetical order.

Test Plan:

• https://www.wikidata.org/wiki/Q25712343 for create_surname
• https://www.wikidata.org/wiki/Q25712302 for create_given_name

Reviewers: Ash-Crow, dachary

Maniphest Tasks: T892

Differential Revision: http://devcentral.nasqueron.org/D468