Merge pull request #40 from liul85/master

Finish translating front matter.md file
删除一段原文；翻译时遗留忘记删除
Merge pull request #41 from wenbing/master

删除一段原文；翻译时遗留忘记删除
translate variables page
Merge pull request #42 from yujingz/master

translate variables page
delete a mis-paste
Merge pull request #43 from yujingz/master

delete a mis-paste
add origin link & contributor link
Merge pull request #44 from xcatliu/master

add origin link & contributor link
Update migrations.md
Merge pull request #45 from OrangeHat36/master

Update migrations.md
Add a Bitdeli badge to README
Merge pull request #46 from bitdeli-chef/master

Add a Bitdeli Badge to README
Request translations, debbbbie
Merge pull request #47 from debbbbie/patch-1

Request translations, debbbbie
Merge pull request #1 from jekyllcn/master

Request translations, debbbbie
Translate upgrading.md
Request to translate pagination.md
Request to translate permalinks.md
Request to translate plugins.md