Make skipped store submissions test cases pass.
Add APP_CONFIG back with an example app config file.
Make PaymentNotificationsController tests pass
Tests for north_america? method on Artist
Tests for user roles
Whitespace cleanup
DJ Submission unit tests
Give artist fixtures name
Fix djsubmission search
Improve DjSubmission tests and add FilmSubmission tests
Merge pull request #3 from thagomizer/master

Fix DjSubmission search and more tests