Merge pull request #1 from huixisheng/gh-pages

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Merge remote-tracking branch 'origin/gh-pages'
Merge remote-tracking branch 'origin/gh-pages'
Merge remote-tracking branch 'origin/gh-pages'
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marldown
Merge remote-tracking branch 'origin/gh-pages'
Merge remote-tracking branch 'origin/gh-pages'
Merge remote-tracking branch 'origin/gh-pages'
Merge remote-tracking branch 'origin/gh-pages'
Merge remote-tracking branch 'origin/gh-pages'