Update docs/who_uses.rst

Added dbpatterns to who uses
Fixed typo, should be CleanedDataFormValidation.
Fixed typo in docstring
Adding myself to AUTHORS
Merge pull request #891 from ntucker/master

Add myself to AUTHORS
Merge pull request #890 from saevarom/master

Fixed a typo in docstring
Fixing camelcase json docs.
Documented backward incompatibility introduced in 0.9.13
Merge pull request #893 from ondrowan/patch-2

Documented backward incompatibility introduced in 0.9.13
Fix Django 1.3 tests
Merge pull request #844 from vbabiy/camelCase_docs

Fixing camelcase json docs.
Merge pull request #894 from sorenh/django13tests

Fixes Django 1.3 tests
Adding Soren Hansen to AUTHORS
Merge pull request #869 from amccloud/patch-2

Fixed typo, should be CleanedDataFormValidation in validation docs.
Fixes cookbook entry for "Creating per-user resources".

Incorrect after https://github.com/toastdriven/django-tastypie/commit/d850758b088761a00f60a474f5b2d683dc1ec3c0#L4L1258
Fixes build by dropping python 2.5, and adds django 1.5 support to tox.
Update configuration warning to mention defusedxml

This is mentioned in the README & docs but should also be mentioned in
the actual ImproperlyConfigured exception which is raised when you try
to use XML without all of the dependencies.
Added optional setting, 'TASTYPIE_ABSTRACT_APIKEY', which, if set to 'True', will make 'models.ApiKey' an abstract base class.
Included note re: syncdb when using ApiKey model. Closes #909.
Updates setup.py - corrects name of requirement

python-dateutil instead of python_dateutil