merged user and group blueprint

uffd/__init__.py

uffd/default_config.cfg

uffd/group/__init__.py

uffd/group/models.py

uffd/group/views.py

uffd/selfservice/views.py

uffd/user/__init__.py

uffd/user/models.py

uffd/user/templates/group.html

uffd/user/templates/group_list.html

uffd/user/views.py