SUPERFEED_MAPS Table Layout for Rivendell

The SUPERFEED_MAPS table contains the mappings of actual RSS feeds with super
feeds.

FIELD NAME           TYPE              REMARKS
------------------------------------------------------------------
ID                   int(10) unsigned  Primary key, auto increment
FEED_ID              int(10) unsigned  From FEEDS.ID
MEMBER_FEED_ID       int(10) unsigned  From FEEDS.ID
KEY_NAME             varchar(8)        From FEEDS.KEY_NAME
MEMBER_KEY_NAME      varchar(8)        From FEEDS.KEY_NAME