* master: (58 commits)
Update history to reflect merge of #4792 [ci skip]
Update history to reflect merge of #4793 [ci skip]
Update history to reflect merge of #4804 [ci skip]
Update history to reflect merge of #4754 [ci skip]
Update history to reflect merge of #4813 [ci skip]
Added missing single quote on rsync client side command
Add v3.0.4 and v3.1.3 to the history.
Fixed typo
Add jekyll-autoprefixer plugin
Explicitly require Filters rather than implicitly.
Update history to reflect merge of #4786 [ci skip]
Update history to reflect merge of #4789 [ci skip]
updates example domain in config template
Globalize Jekyll's Filters.
Update JRuby to 9.0.5.0; Drop the double digit test.
Update Rack-Jekyll Heroku deployment blog post url
convertible: use Document::YAML_FRONT_MATTER_REGEXP to parse transformable files
Update history to reflect merge of #4734 [ci skip]
Update history to reflect merge of #4478 [ci skip]
Fix rubocop warning.
...