moved redraw logic to feed view
fix logic, work version
correct dislay of unread items
fixed behavior of feed view
fixed server API
fix item parsing
rewrited item model parser
Merge pull request #3 from wookieelabs/displayUnread

correct dislay of unread items
Fixed filter logic
Merge pull request #4 from wookieelabs/filter

Allow filter items in feed.
Add read all function