[1.7.x] Fixed a few PEP8 errors in settings doc.

Default::

    ("django.core.files.uploadhandler.MemoryFileUploadHandler",

     "django.core.files.uploadhandler.TemporaryFileUploadHandler",)

     "django.core.files.uploadhandler.TemporaryFileUploadHandler")

A tuple of handlers to use for uploading. See :doc:`/topics/files` for details.

    LOCALE_PATHS = (

        '/home/www/project/common_files/locale',

        '/var/local/translations/locale'

        '/var/local/translations/locale',

    )

Django will look within each of these paths for the ``<locale_code>/LC_MESSAGES``

Default::

    ('django.middleware.common.CommonMiddleware',

     'django.middleware.csrf.CsrfViewMiddleware',)

     'django.middleware.csrf.CsrfViewMiddleware')

A tuple of middleware classes to use. See :doc:`/topics/http/middleware`.

     'django.contrib.auth.hashers.SHA1PasswordHasher',

     'django.contrib.auth.hashers.MD5PasswordHasher',

     'django.contrib.auth.hashers.UnsaltedMD5PasswordHasher',

     'django.contrib.auth.hashers.CryptPasswordHasher',)

     'django.contrib.auth.hashers.CryptPasswordHasher')

.. _settings-comments:

    messages.INFO: 'info',

    messages.SUCCESS: 'success',

    messages.WARNING: 'warning',

    messages.ERROR: 'error',}

    messages.ERROR: 'error'}

This sets the mapping of message level to message tag, which is typically

rendered as a CSS class in HTML. If you specify a value, it will extend