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Merge pull request #10 from JunjieWang/donghe_May27

Donghe may27
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Merge branch 'jj0527'
Merge pull request #11 from JunjieWang/jj0527

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Merge pull request #12 from JunjieWang/donghe_May27

index update
Merge branch 'master' of https://github.com/JunjieWang/uwmedwebapp
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Merge branch 'master' into donghe_May27
fix keydown bug at extreme case, add mousedown