Merge branch 'develop' into feature/632_rest_framework
[#632] Add django-rest-swagger

Auto generated API documentation. Root at /rest/docs/
[#632] Fix configuration error for Swagger

Fix the api_path swagger setting
[#632] Merge branch 'develop' into feature/632_rest_framework
[#710] Merge branch 'feature/632_rest_framework' into feature/710_rain_iati_import
[#710] Merge branch 'feature/710_rain_iati_import' into release/candidate