many small fixes

uffd/selfservice/templates/forgot_password.html

uffd/selfservice/templates/mailverification.mail.txt

uffd/selfservice/templates/self.html

uffd/selfservice/templates/set_password.html

uffd/selfservice/views.py

uffd/session/templates/login.html

uffd/session/views.py

uffd/user/templates/user.html

uffd/user/templates/user_list.html

uffd/user/views.py