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
Merge pull request #48 from debbbbie/master

Translate upgrading.md