[DEV-1152] Add AskbotUser model.
[DEV-1152] Fix spelling in docstring of AskbotUser model.
[DEV-1152] Add properties to AskbotUser class than tunnel to underlying User fields.
[DEV-1152] Add methods to AskbotUser that tunnel through to methods of related User.
[DEV-1152] Remove call to save from properties of AskbotUser. Override AskbotUser save method to perform save on associated User.
[DEV-1152] Import User as DjangoUser as an extra precaution against name collision issues.
[DEV-1152] Add __init__ method to AskbotUser class.
[DEV-1152] Replace manually-added methods with call to getattr.
[DEV-1152] Move AskbotUser into separate askbot_user.py.
[DEV-1152] Add askbot_user.py to contain custom AskbotUser model.
[DEV-1152] Add post_save signal handler to create new AskbotUsers automatically.
[DEV-1152] Initial attempt at alterting imports through Askbot to use new AskbotUser model.
[DEV-1152] Attempt to add AskbotUser to list of models.
[DEV-1152] Resolve circular imports in models package.
[DEV-1152] Add related_name to AskbotUser one-to-one with User.
[DEV-1152] Alter createsuperuser to not refer to User, but self.UserModel (Askbot bug). Alter createsuperuser to incoporate new AskbotUser model.
[DEV-1152] Alter import of AskbotUser in models __init__ to all declaration in __all__.
[DEV-1152] Fix AskbotUser import in forms.py.
[DEV-1152] Add skeleton of custom manager class to askbot_user.
[DEV-1152] Initial implementation of AskbotUser model manager.