pep8
remove only the users from the directory instead of totally emptying it
Add more values in settings for further testing
Add get_ldap_connection helper function
Use get_ldap_connection instead of ldap.initialize
minor improvement
Merge pull request #42 from mgorny/uwsgi-reload

Make uWSGI auto-reload okupy on changes.
Merge pull request #43 from mgorny/uwsgi-reload

WSGI: Fix running in django's built-in server.
Merge pull request #44 from mgorny/login-cleanup

Login cleanup
Merge branch 'get_ldap_connection'

Conflicts:
	okupy/accounts/views.py
Introduce dependency on django_otp.
Introduce initial code for two-phase auth support.

This commit adds a simple NoOTPDevice model that currently serves
the purpose of responding successfully to any request. The login view
has been extended with proper OTP device setup and initial verification
support.
Introduce a dummy token input.