Update dts_test_project.settings to work with codeship CI
Update dts_test_project.settings to work with codeship CI

https://codeship.com/documentation/databases/postgresql/#django

ArtProcessors/django-tenant-schemas,goodtune/django-tenant-schemas,goodtune/django-tenant-schemas,bernardopires/django-tenant-schemas,bernardopires/django-tenant-schemas,ArtProcessors/django-tenant-schemas,mcanaves/django-tenant-schemas