Fixed #19295 -- Documented that CachedStaticFilesStorage isn't compatible with runserver --insecure.
adds fix for SingleObjectTemplateResponseMixin raising a TemplateDoesNotExist when it should have raised an ImproperlyConfigured. fixes 16502. by @ianawilson, @jambonrose
Fixed a link in topics/testing/overview.txt
Add -l alias for migrate --list
Moved a settings usage up the stack in utils/formats.py #unsettings
Removed unnecessary, leftover imports
Merge pull request #1579 from ianawilson/ticket_21058

Fixed #21058 -- Fixed debug view blowing up when no template is provided to the template rendering functions.

Assistance on this commit from @jambonrose.
Minor factorization.
Fixed #11811 -- Data-loss bug in queryset.update.

It's now forbidden to call queryset.update(field=instance) when instance
hasn't been saved to the database ie. instance.pk is None.
Added myself to the contributors list.
fixed test name from an old, overly specific iteration of the test
Updated NoYamlSerializerTestCase to run with yaml.

In order to verify the behavior of using the yaml serializer when yaml
is on the system, fake the ImportError when the serializer is being
registered.
Added name to AUTHORS (per Russell Keith-Magee)
Fixed existing tests to handle BadSerializer.

When a BadSerializer instance is stubbed in for the yaml serializer,
make sure tests do not fail.
Merge pull request #1580 from ianawilson/ticket_16502

Fixed #16502 -- Fixed a TemplateDoesNotExist error that should be an ImproperlyConfigured.

Assistance on the patch from #jambronrose.
Cleanup commit after peer review.
Merge pull request #1582 from rca/12756-missing-yaml-module-serializer-error-message

Fixed #12756: Improved error message when yaml module is missing.
Merge pull request #1581 from mburst/patch-1

Added myself to the contributors list for work on #21049
Fixed test failure introduced in efd1e6096ee87fe332cf989ba5479e9461d0fb3a (sqlmigrate)
Fixed Python 3 syntax error introduced in [c72392da]