Cache the entire homepage for 5 minutes.

This means that comments and blog posts will take at most 5 minutes to show
up on /.

cloud/__init__.py

@@ -87,6 +87,9 @@ class CloudExtension(PillarExtension):
 
         signal_user_changed_role.connect(self._user_changed_role)
 
+        from . import routes
+        routes.setup_app(app)
+
     def _user_changed_role(self, sender, user: dict):
         from pillar.api import service