Merge pull request #2 from LCTT/master

Update personal repo
Update 20140711 Linux Basics--How To Find Size of Directory Commands.md
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20140630 New Linux Podcast App 'Vocal' Hits Beta, Ready for Testing
Merge pull request #1314 from nd0104/master

Finish translate
Merge pull request #1312 from cvsher/master

20140709 Command Line Tuesdays--Part Four.md
Merge pull request #1313 from cvsher/patch-2

Update 20140711 Linux Basics--How To Find Size of Directory Commands.md
奇怪了的，这个PR居然能合并。
补充删除
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Merge pull request #1315 from JonathanKang/master

JonathanKang is translating
翻译了一半，又有事情，谁来帮忙翻译完？
Merge pull request #1316 from linuhap/master

【翻译了一半，谁来帮忙翻译完？】CoreOS Linux ending the upgrade cycle
好吧，可以理解，我来接手吧。
PUB:20140630 New Linux Podcast App 'Vocal' Hits Beta, Ready for Testing

@nd0104
PUB:20140617 9 commands to check hard disk partitions and disk space on Linux

@tenght
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Merge pull request #3 from LCTT/master

Update personal repo
Merge pull request #1317 from JonathanKang/master

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20140709 Red Hat Announces Availability of its OpenStack Platform 5
PUB:20140625 Keep an eye on these 5 new features in RHEL 7

@CNprober
Merge pull request #1320 from nd0104/master

申领20140709 Red Hat Announces Availability of its OpenStack Platform 5
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