old_contents: from django.conf.urls.defaults import *
  
  urlpatterns = patterns('corehq.apps.receiver.views',
      url(r'^$', 'post', name='receiver_post'),
      url(r'^submission/$',  'post', name="receiver_odk_post"),
  
  )
new_contents: from django.conf.urls.defaults import *
  
  urlpatterns = patterns('corehq.apps.receiver.views',
      url(r'^$', 'post/?$', name='receiver_post'),
      url(r'^submission/?$',  'post', name="receiver_odk_post"),
  
  )
subject: support slash and slashless posts to receiver