added classes for multiple formats (two flavors of DC, redirect to opac); cleaned up codebase some
added classes for multiple formats (two flavors of DC, redirect to opac); cleaned up codebase some

git-svn-id: 6c6d155f8eb4539658016a1b84c477efaadc5da9@522 9bbe1849-123c-0410-9313-83ec163a5258

anarchivist/nyples