- add an author for a feed (that may be used when the blog is a one-person-blog - add authormapping table that can be used to map various authors from one   blog to realnames (some blog software like s9y gives out non-realname author   information, eg.: "alex@kiesel.name (kiesel)".
- add an author for a feed (that may be used when the blog is a one-person-blog
- add authormapping table that can be used to map various authors from one
  blog to realnames (some blog software like s9y gives out non-realname author
  information, eg.: "alex@kiesel.name (kiesel)".


git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@4653 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core