added custom storage class to all data models with file fields, which allows us to overwrite existing files instead of appending hex values to the file to prevent overwriting
added custom storage class to all data models with file fields, which allows us to overwrite existing files instead of appending hex values to the file to prevent overwriting

carthage-college/django-djspace,carthage-college/django-djspace,carthage-college/django-djspace,carthagecollege/django-djspace,carthagecollege/django-djspace,carthage-college/django-djspace,carthagecollege/django-djspace