Updated django-extensions to 0.9 to allow admin media to be served.

requirements.txt

 coverage==3.5.1
 django-debug-toolbar==0.9.4
 django-dynamic-fixture==1.4.2
-django-extensions==0.8
+django-extensions==0.9
 docutils==0.8.1
 flake8==0.8
 ipdb==0.2