Add MultiMarkdown footnotes extension
Support CRLF (aka \r\n) in footnotes
Fix a potential memory leak
Fix a tab spacing problem
No more colons in footnote html ids. Apparently causes issues with jQuery.
Prevent line break of footnote backlink
Add line break after footnote div
Merge pull request #1 from brief/footnotes

Formatting tweaks
Merge pull request #1 from bdolman/master

merge bdolman/sundown