Log Message:
Django 1.11.2 release notes

Django 1.11.2 adds a minor feature and fixes several bugs in 1.11.1. Also, the \ 
latest string translations from Transifex are incorporated.

Minor feature:
* The new LiveServerTestCase.port attribute reallows the use case of binding to \ 
a specific port following the bind to port zero change in Django 1.11.

Bugfixes:
* Added detection for GDAL 2.1 and 2.0, and removed detection for unsupported \ 
versions 1.7 and 1.8.
* Changed contrib.gis to raise ImproperlyConfigured rather than GDALException if \ 
gdal isn’t installed, to allow third-party apps to catch that exception.
* Fixed django.utils.http.is_safe_url() crash on invalid IPv6 URLs.
* Fixed regression causing pickling of model fields to crash.
* Fixed django.contrib.auth.authenticate() when multiple authentication backends \ 
don’t accept a positional request argument.
* Fixed introspection of index field ordering on PostgreSQL.
* Fixed a regression where Model._state.adding wasn’t set correctly on \ 
multi-table inheritance parent models after saving a child model.
* Allowed DjangoJSONEncoder to serialize django.utils.deprecation.CallableBool.
* Relaxed the validation added in Django 1.11 of the fields in the defaults \ 
argument of QuerySet.get_or_create() and update_or_create() to reallow settable \ 
model properties.
* Fixed MultipleObjectMixin.paginate_queryset() crash on Python 2 if the \ 
InvalidPage message contains non-ASCII.
* Prevented Subquery from adding an unnecessary CAST which resulted in invalid SQL.
* Corrected detection of GDAL 2.1 on Windows.
* Made date-based generic views return a 404 rather than crash when given an out \ 
of range date.
* Fixed a regression where file_move_safe() crashed when moving files to a CIFS \ 
mount.
* Moved the ImageField file extension validation added in Django 1.11 from the \ 
model field to the form field to reallow the use case of storing images without \ 
an extension