Add jekyll-thumbnail-filter to plugins list
Use relative path for `path` Liquid variable in Documents
Keep backwards compatibility

Re-add `relative_path` Liquid variable too keep compatibility
Generalize Utils#slugify for any scripts

It replaces any non alphanumeric glyphs by an hyphen.
add link to tutorial on building dynamic navbars
Add site to Resources page
Added basic microdata
Update post.html
Fixed itemprop="author name"

You are right, I tried to oversimplify it. Also, {{ page.date | %Y-%m-%d }} doesn't output what I expected. I think it's fixed now, I tried the code with a couple of validators and everything seems fine.
Improve Site#getConverterImpl and call it Site#find_converter_instance
Fix test use of Site#getConverterImpl.
Separate jekyll-docs out into a separate gem & bless it
Print an error message in bin/jekyll with no arguments
Use External instead of Deprecator for requiring gracefully
Merge pull request #3241 from jekyll/separate-jekyll-docs
Update history to reflect merge of #3241 [ci skip]
Merge pull request #3240 from jekyll/snake_case
Update history to reflect merge of #3240 [ci skip]
Say 'since 2.0'
Merge PR #2790.

  Add jekyll-thumbnail-filter to plugins list