Fix password rest done routing error
Fix password rest done routing error

The reverse name of the URL to be loaded after a successful password reset
request is `auth_password_reset_done`. The base `PasswordResetView` from
`django.contrib.auth` hard codes the reverse name `password_reset_done` that we
must override.

maurizi/otm-core,maurizi/otm-core,maurizi/otm-core,maurizi/otm-core