Refactor Highlight tag tests to use a helper method to create the tag.
Set the error mode to :strict
Bump to Liquid 3.0
Add liquid c if it's available.
liquid-c 0.0.3
Merge pull request #3002 from jekyll/liquid-3
Update history to reflect merge of #3002 [ci skip]
Set 'use_coderay' to 'enable_coderay'
Have a deprecation fallback for 'use_coderay'
Read 'enable_coderay' in the Kramdown parser
Update the documentation.
Use 'enable_coderay' in the tests.
Merge pull request #3237 from jekyll/enable_coderay
Update history to reflect merge of #3237 [ci skip]
Sort static files just once.

Ref: #2075.
Only call #site_payload once for all collection work.
Put the development dependencies in the Gemfile directly.
Call it site_payload instead of payload.
Merge pull request #3204 from jekyll/sort-static-files-once
Update history to reflect merge of #3204 [ci skip]