update bootstrap 2.3.2 CDN URL; previous one died
Merge branch 'patch'
Version 3.0.2 (2014-10-26)
GH-19: don't expand references in code span/block

Thanks to Mathias Panzenböck for reporting this issue:
https://github.com/sunaku/md2man/issues/19
Merge branch 'major'
Version 4.0.0 (2014-10-26)