Update django-auth-ldap to 1.2.9

[pyup-bot]

There's a new version of django-auth-ldap available.
You are currently using 1.2.7. I have updated it to 1.2.9

These links might come in handy: PyPI | Changelog | Repo | Docs

Changelog

1.2.9

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• Fix 65_: Ignore python-ldap documentation and accept
  :data:ldap.RES_SEARCH_ENTRY from :meth:ldap.LDAPObject.result.

.. _65: https://bitbucket.org/psagers/django-auth-ldap/issues/65/

1.2.8

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• Add :setting:AUTH_LDAP_USER_ATTRLIST to override the set of attributes
  requested from the LDAP server.

v1.2.7 - 2015-09-29 - Python 3

• Support Python 3 with pyldap <https://pypi.python.org/pypi/pyldap>_.

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖