Bump copyright year

Update CHANGELOG and history

Refactor page meta (#2641)

* Rename include

* Add grid view test pages

* Rename `.post__meta-sep` and use CSS to add line break

* Improve collection grid archive

* Improve page grid archive

* Enable `grid`

* Don't show date icon if there is no `date` value

* Add blank line at EOF

* Add space

* Wrap date and reading time in named `span` elements

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

Update CHANGELOG and history

Added article:author used by Pinterest (#2670)

Update CHANGELOG and history

Removed duplicated CSS definitions (#2666)

Change "fa" to "fas" for Font Awesome 5 (#2649)

* main.js: fa -> fas for FA 5

* Update CHANGELOG and history

Update CHANGELOG and history

Fix `entries_layout: grid`
Close #2639

Release 4.20.1 💎

Fix grid `entries_layout` in home.html

Release 4.20.0 💎

Update CHANGELOG and history

Show date of posts (#2526)

* add date to read-time.html

* add option for show_date, dynamic icon style

* change read-time to post__meta

* cleanup post__metal.html

* cleanup post__meta include variables

* put date before read time

* remove space in include variable

* allow customisation of post__meta separator

* add some documentation

* oops fix typo derp

* add post date image

* change page meta separator customisation to CSS

Update CHANGELOG and history

remove hidden posts from `/posts` (#2625)

Update documentation for #2621 (#2624)

* Update documentation for #2621

* Update CHANGELOG and history

* Update last_modified_at

Update UI text for zh-CN and zh-TW (#2626)

* Update UI text for zh-CN and zh-TW

* Update CHANGELOG and history

Not touching last_modified_at this time - it's messy enough