Merge pull request #1 from nandopaiva/master

Criei a home
add markdown helper to render post body
Merge branch 'master' of github.com:birula/Blog
Criei a listagem de post na home.
Merge branch 'master' of https://github.com/birula/Blog
Implementei o markdown na home.
ajust at posts body markdown
Merge branch 'master' of https://github.com/birula/Blog