Don't require login for logout page & minor fixes

plinth/__main__.py

@@ -226,7 +226,7 @@ def configure_django():
         SESSION_ENGINE='django.contrib.sessions.backends.file',
         SESSION_FILE_PATH=sessions_directory,
         STATIC_URL='/'.join([cfg.server_dir, 'static/']).replace('//', '/'),
-        STRONGHOLD_PUBLIC_NAMED_URLS=('lib:login',),
+        STRONGHOLD_PUBLIC_NAMED_URLS=('users:login', 'users:logout'),
         TEMPLATE_CONTEXT_PROCESSORS=context_processors,
         USE_X_FORWARDED_HOST=bool(cfg.use_x_forwarded_host))
     django.setup()

plinth/modules/first_boot/urls.py

@@ -21,6 +21,7 @@ URLs for the First Boot module
 
 from django.conf.urls import patterns, url
 from stronghold.decorators import public
+
 from .views import State0View
 
 

plinth/modules/help/help.py

@@ -15,6 +15,10 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
+"""
+Help module for Plinth.
+"""
+
 import os
 from gettext import gettext as _
 from django.http import Http404