SEEG-Oxford/ABRAID-MP — pull request #189 by helena-patching-tessella (2014-09-12 09:38:43+00:00)
Title: Keep history of admin unit reviews

Allow multiple entries of admin unit reviews: no more unique constraint on (expert id, disease group id, admin unit gaul code) triplet, and changed_date is now created_date

List of all admin unit reviews for one disease group is then filtered to only return the most recent review of an admin unit by each expert.