project.common.settings: Use DJANGO_CRADMIN_USE_EMAIL_AUTH_BACKEND instead of DEVILRY_USE_THIRDPARY_AUTHBACKEND.
project.common.settings: Use DJANGO_CRADMIN_USE_EMAIL_AUTH_BACKEND instead of DEVILRY_USE_THIRDPARY_AUTHBACKEND.

devilry/devilry-django,devilry/devilry-django,devilry/devilry-django,devilry/devilry-django