* Enhance for the Chinese translation

* Add filtered_languages for Chinese Translation include CN/HK/TW for PR #3175

* locale: Add missing translation in zh-HK.yml

* locale: fix consistancy in zh-HK.yml translation

* locale: Improve zh-HK yml translations

* Use "PuSH" in all "PubSubHubBub" occurances.
* Simplify text on front page.
* Improve doorkeeper authorization table translations.
* Simplify setting form text for better layout.
* Improve "Business Email" translation.

* locale: Update zh-HK.json

* Fix untranslated text.
* Improve translations.

* Fix missing string in javascript locale (zh-HK)

* Change javascript locale (zh-HK)

* Fix some other strings that were still English.
* Improve `search.status_by`.
* Fix `notification.follow`. ("開始開始你")
* Changes according to user feedback.
  * "Back": "較前顯示" -> "返回"
  * "Home": "家" -> "主頁"

* Update ruby locale (zh-HK)

* Fix missing translation
* Normalize yml
* Update translation strings

* Added Chinese Traditional Hong Kong (zh-HK) for Ruby

* Added translations for Ruby.

* Added Chinese Traditional Hong Kong (zh-HK) for JS

* Added translations for javascript code.

* Rearrange language references in mastodon.jsx

* Break `addLocaleData` into multiple lines. Make future commit more readable.
* Roughly re-sort the languages in alphabetical orders
  (only manually put English on top because it is default).

* Sort application.rb locale with alphabetical order

With exception that English (default language) goes first.
Improve code readability.

* Resort language selection box alphabetically

Sort HUMAN_LOCALES in the alphabetical order of display name
(except English, the default language, come first).

Improve usability.