signals refactoring followup: fixed circular import + added a profile view and template and link in header + refactored views into a views module
from django.conf.urls import url
from . import views
urlpatterns = [
url(r'^$', views.index, name='index'),
url(r'annotation$', views.annotation_list),
url(r'annotation/(?P<pk>[0-9]+)/$', views.get)
]