added users page that lists all registered users.

this required more js to make the table pretty.

comic/urls.py

@@ -5,6 +5,7 @@ from . import views
 urlpatterns = [
     url(r'^$', views.comic_list, name='index'),
     url(r'^settings/$', views.settings_page, name='settings'),
+    url(r'^settings/users/$', views.users_page, name='users'),
     url(r'^account/$', views.account_page, name='account'),
     url(r'^(?P<comic_path>[\w]+)/$', views.comic_list, name='comic_list'),
     url(r'^read/(?P<comic_path>[\w]+)/(?P<page>[0-9]+)/$', views.read_comic, name='read_comic'),