Fixing #107. Apparently some signal handlers were getting connected twice (double import?) and thus saving a forum post would cause 2 email notifications to go out to the post topic's subscribers. Use the dispatch_uid parameter in the connect call to work around this issue.

"""
Urls for the core application.
"""
from django.conf.urls.defaults import *

urlpatterns = patterns('core.views',
    url(r'^markdown_help/$', 'markdown_help', name='core-markdown_help'),
    url(r'^ajax/users/$', 'ajax_users', name='core-ajax_users'),
)