+Settings controlling incoming feed subscription:
+
+$config['feedsub']['fallback_hub']
+ To subscribe to feeds that don't have a hub, an external PuSH proxy hub
+ such as Superfeedr may be used. Any feed without a hub of its own will
+ be subscribed through the specified hub URL instead. If the external hub
+ has usage charges, be aware that there is no restriction placed to how
+ many feeds may be subscribed!
+
+ $config['feedsub']['fallback_hub'] = 'https://superfeedr.com/hubbub';
+
+$config['feedsub']['hub_user']
+$config['feedsub']['hub_password']
+ If using the fallback hub mode, these settings may be used to provide
+ HTTP authentication credentials for contacting the hub. Default hubs
+ specified from feeds are assumed to not require
+
+