When constructing the sidebar don't overide 'sidebar'
Instead specify 'sidebar_additional' and include it even if there
is a 'sidebar' defined.
Patch by: Sverre Rabbelier
from django.conf.urls.defaults import *
urlpatterns = patterns('examples.hello.views',
(r'^html/$', 'hello_html'),
(r'^text/$', 'hello_text'),
(r'^write/$', 'hello_write'),
(r'^metadata/$', 'metadata'),
(r'^getdata/$', 'get_data'),
(r'^postdata/$', 'post_data'),
)