[zh_CN] done /zh/controllers.rst, /zh/controllers/components.rst and /zh/controllers/scaffolding.rst
Merge branch 'master' into zh
[zh_CN] remove English in page title
[zh_CN] follow en updates
Merge pull request #1833 from blackpuppy/zh

[zh_CN] done /zh/controllers.rst, /zh/controllers/components.rst and /zh/controllers/scaffolding.rst