bump version to 0.5.1 development version
bump version to 0.5.1 development version

lincolnloop/django-salmonella,lincolnloop/django-salmonella,lincolnloop/django-salmonella,Gustavosdo/django-salmonella,Gustavosdo/django-salmonella,lincolnloop/django-salmonella,Gustavosdo/django-salmonella