Excludes should be relative to the site source
Ensure leading slashes in path matching.
Add tests for new exclude behaviour.
Cast to string before duplicating.
Move #glob_include? from core_ext to entry_filter
Use 'Forwardable' module to pass along some attribute calls to @post
Merge pull request #1927 from jekyll/delegate-silly
Update history to reflect merge of #1927
Merge pull request #1923 from mscharley/master
Update history to reflect merge of #1923
Merge pull request #1916 from jekyll/gitignore-excludes
Update history to reflect merge of #1916
Update the documentation for the new exclude behavior
Rename read_things to read_content.
Merge pull request #1928 from jekyll/things-to-content
Update history to reflect merge of #1928 [ci skip]
first pass at vision
Add note in Posts docs about stripping <p> tags from excerpt.

Fixes #1926. Merges #1933.
Update history to reflect merge of #1933.

[ci skip]
Branding, baby.

Many thanks to http://patorjk.com/software/taag/ for doing the
ASCII art. :smiley: