Merge pull request #3 from LCTT/master

Update Repository
抢地主
Merge pull request #2061 from geekpi/master

translating
Merge pull request #2062 from geekpi/master

translated
Merge pull request #2060 from Vic020/patch-22

抢地主，好吧，地主是你的了。。。
PUB:20141021 How to create and use Python CGI scripts

@su-kaiyao
PUB:20141017 How to verify the authenticity and integrity of a downloaded file on Linux

@geekpi
[translating]Linux Namespaces
Merge pull request #2063 from bazz2/master

[translating]Linux Namespaces
Merge pull request #4 from LCTT/master

Update Repository
Update 20141204 The Easy Way to Keep Track of Multiple Time Zones in Ubuntu.md
Merge pull request #2064 from GOLinux/master

[Translating] 20141204 The Easy Way to Keep Track of Multiple Time Zones in Ubuntu.md
[Translated] 20141204 The Easy Way to Keep Track of Multiple Time Zones in Ubuntu.md
Merge pull request #2065 from GOLinux/master

[Translated] 20141204 The Easy Way to Keep Track of Multiple Time Zones in Ubuntu.md
20141205-1 选题
20141205-2 选题
20141205-3 选题
translating