Merge remote-tracking branch 'origin/master'

Merge pull request CymChad#162 from elfman/master

The views create by adapter can not be swiped

Merge pull request CymChad#158 from elfman/master

Update README.md about item drag and swipe function

Merge remote-tracking branch 'origin/master'

Merge pull request CymChad#141 from elfman/master

Solve bug in issue CymChad#140

Merge pull request CymChad#127 from elfman/master

Enable draw on the edge when swipe moving

Merge pull request CymChad#125 from elfman/master

Enable change the drag and swipe movement direction and threshold by setters.

Add GridLayoutManager HeaderView support

Merge pull request CymChad#99 from elfman/master

添加滑动删除功能

Merge remote-tracking branch 'origin/master'