Represents an RSS feed.
Refresh the data stored from this feed.
- download : download the files, too? - fake : do a fake download? - from_file : use this file instead of the live feed? - any variables in the feed_template for this feed
Refreshing a feed may also : - remove files which are now obolete (because the feed has a urn for a different file) - update the symlinks for files whose metadata has changed
Also if both "user" and "password" are passed, they are treated specially and sent as HTTP Basic auth credentials for the rss feed.