Merge pull request #1221 from 213edu/master

[Translating] How To Install Linux On A MacBook Pro Retina
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[Translating]ENCRYPT DNS TRAFFIC IN LINUX WI***

[Translating] 20140620 ENCRYPT DNS TRAFFIC IN LINUX WITH DNSCRYPT (VIA OPENDNS).md
20140620-2 选题
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Merge pull request #5 from LCTT/master

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Merge pull request #1227 from hyaocuk/master

[翻译中/Translating] 10 Tips to Push Your Git Skills to the Next Level
Merge pull request #1223 from 213edu/patch-1

[Translating]ENCRYPT DNS TRAFFIC IN LINUX WI***
Merge pull request #1228 from 213edu/master

Translated:How To Install Linux On A MacBook Pro Retina.md
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[Translated] 20140620 ENCRYPT DNS TRAFFIC IN LINUX WITH DNSCRYPT (VIA OPENDNS).md