fixed bug: get_media_url() doesn't work correctly with django 1.3 alpha 1 because in django.conf.global_settings.py the STATIC_URL is set to None by default.
fixed bug: get_media_url() doesn't work correctly with django 1.3 alpha 1 because in django.conf.global_settings.py the STATIC_URL is set to None by default.

eternalfame/django-admin-tools,django-admin-tools/django-admin-tools,miurahr/django-admin-tools,eternalfame/django-admin-tools,django-admin-tools/django-admin-tools,miurahr/django-admin-tools,glowka/django-admin-tools,eternalfame/django-admin-tools,glowka/django-admin-tools,miurahr/django-admin-tools,django-admin-tools/django-admin-tools,glowka/django-admin-tools,miurahr/django-admin-tools