Merge branch 'master' of github.com:liangdahong/BMLongPressDragCellCollectionView into master

docs: 调整 Demo。

Update README-English.md

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Merge pull request #31 from aheze/master

Fix capitalization, add link to English version

Add English translation

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doc

demo

pods

doc

3.1.4

优化 API 及数据结构。