Add jekyll-thumbnail-filter to plugins list
Point Liquid links to Liquid’s Github wiki
Provide a more helpful resource for questions like #2883
Escape unicode characters
Fixes #2905
Use relative path for `path` Liquid variable in Documents
Correction of grammatical error and also consistent formatting/correct filename of `_config.yml`
Keep backwards compatibility

Re-add `relative_path` Liquid variable too keep compatibility
remove watch since it default in 2.4.0
Add test for Use per-post permalinks ending in .htm
Allow per post permalinks to end in `.htm`
Fixes #2920
Merge pull request #2887 from pathawks/Update-Liquid-Links
Update history to reflect merge of #2887 [ci skip]
unit test for jekyll new --force
Merge pull request #2929 from rusikf/patch-5
Update history to reflect merge of #2929 [ci skip]
Put #2929 History entry in the right place.

Not enough :coffee: yet today. :zzz:
Jekyll Http Basic Auth Plugin added
Merge pull request #2931 from snrbrnjna/master
Update history to reflect merge of #2931 [ci skip]
Merge pull request #2911 from charlesbaynham/minor-grammatical-error
Update history to reflect merge of #2911 [ci skip]