Add Japanese localized UI text strings

Add Japanese translation of ui-text (#1411)

Update CHANGELOG and history

Update CHANGELOG and history

Add `author.name`

Merge branch 'master' of https://github.com/mmistakes/minimal-mistakes

Feature: Adding linkback functionality Author avatar & Name (#1386)

* adding linkback funct to author avatar & nm

* rm author_class; change linkback var to home; updating config docs

Update copyright

Move zh-HK fix under Bug Fixes in CHANGELOG

Remove beta note

Release 4.8.0 :gem:

Fix open-ended dependency warnings

Update CHANGELOG and history

Point zh-hk to Traditional Chinese (#1389)

Update CHANGELOG and history

Update gems (#1388)

Feature: Incorporate site search into masthead (#1383)

* Integrate search into masthead
* Fix cutoff descenders in archive article titles
* Remove search page from `/test` site
* Enable masthead search
* Remove dedicated search page
* Fix masthead search form padding
* Improve insertion of search content
* Speed up page transition
* Add fade transition to search content
* Rename visibility class names
* Add `site.search` to _config.yml
* Document site search feature
* Update CHANGELOG and history

Update CHANGELOG and history

Update CHANGELOG and history

Remove extra spaces