Use a generic reference to Django User model.
Django get_user_model backward compatibility for Django 1.4
Use django settings to determine whether or not a custom User model is used.
Compabitibility fix for Django > 1.4
Moving first_name and last_name attributes to MangoPayUser model.
Add an optional email field into MangoPayNaturalUser to be able to use a different email than user.email
first_name and last_name fields should be optional in MangoPayNaturalUser
Allow using custom User Factory in tests
Bugfix retrieving optional settings AUTH_USER_MODEL_FACTORY
Bugfix default path for USER_MODEL_FACTORY
Refactor : use getattr to get optional AUTH_USER_MODEL_FACTORY setting
Add how to run tests using a custom user model in the documentation
Refactor : regrouping email, first_name and last_name fields into MangoPayUser
PEP-8 standard fix
Merge pull request #38 from bsvetchine/master

Use a generic reference to Django User model.