Requirements: Pinned Tastypie version
Requirements: Pinned Tastypie version

Fixed Tastypie version, since 0.13.2 breaks our tests (issue #554 on
django-tastypie github)

artefactual/archivematica-storage-service,artefactual/archivematica-storage-service,artefactual/archivematica-storage-service,artefactual/archivematica-storage-service