Fix Typo/Publify's name

Typo, the Rails blog engine, has been renamed Publify.
http://blog.publify.co/good-bye-typo-welcome-publify.html
Also, you mentioned Typo3 (existing PHP blog engine) and bundle, so I also corrected with Publify there. Please correct me if I'm wrong.
Merge pull request #19 from abelards/patch-1

Fix Typo/Publify's name