Deprecate noticeNoMoreData

Change noticeNoMoreData into endRefreshingWithNoMoreData

animation for collectionView footer noticeNoMoreData

animation for collectionView footer noticeNoMoreData

Remove some bad methods

Remove some bad methods

adjust alpha with UISearchDisplayController

adjust alpha with UISearchDisplayController

Update README.md

Update README.md

Update README.md

Back footer position

Back footer position

Enhance automaticallyHidden

Enhance automaticallyHidden

Remove some code

Remove some code