Work on rewrite to Core Data.
More work on Core Data.
Make adding feed work again.
Make deleting feed work again.
Small fix on updating unreadCount. More needed.
Core Data for items.
Core data work on items and mark as read.
Prevent duplicate items and only keep 200 items per feed.
Make star and unstar work again.
Tweak.
No need to pass this notification around.
Moved mark as read code. Cleanup.
Add license headers.