Upgrade django-1.5.1
Replace args with kwargs
Replace Class with the instance variable
Squashed commit of the following:

commit 1b37381693fa4d62280bf8be9efe545563660068
Author: Roger Hughes <dart020@gmail.com>
Date:   Thu Apr 4 13:26:03 2013 -0400

    Add tinymce advanced theme and other configs

commit 7e450be53b5748e9a1df0f3ee0c538348f86db56
Author: Roger Hughes <dart020@gmail.com>
Date:   Thu Apr 4 13:14:18 2013 -0400

    Add django-admin-tools stuff

commit 897fc0d17615905531f5203bc4c6afba962c679e
Author: Roger Hughes <dart020@gmail.com>
Date:   Thu Apr 4 12:46:03 2013 -0400

    Add admin_tools