Merge pull request #206 from Luoxcat/master

已翻译-------Luox
Delete Calibre 1.6 released with handy mark-book feature.md
Update Calibre 1.6 released with handy mark-book feature.md
Merge pull request #210 from Luoxcat/patch-1

Delete Calibre 1.6 released with handy mark-book feature.md
发布：E-Mail App Geary Gets New Look, New Features
发布：Shotwell 0.15 released with new features and fixes
发布：Open source is brutal- an interview with Google's Chris DiBona
修正一个选题后缀
Linux RNG May Be Insecure After All is translated
Merge pull request #211 from willqian/master

Linux RNG May Be Insecure After All is translated
20131016-2 选题（一系列小技巧使用文章）
20131016-3 选题
20131017-1 选题