Process fenced code blocks before link definitions.
Fix fenced code blocks test that was wrong.
Add test for odd fenced code block case.
Rename to issue 135.
Issue 135.
Merge pull request #135 from nicholasserra/fenced-code-blocks-oddity

Fenced code blocks oddity
Fleshed out some contributor notes in the README.
Merge pull request #136 from trentm/dev/readme-fixes

Fleshed out some contributor notes in the README.
Update changelog for last PR.
Update contributors.
Merge remote-tracking branch 'upstream/master' into unify_header_handling
Retain existing unittest to avoid reducing coverage