add post author gravatar support
add post-author-gravator-support
Merge pull request #8 from lowstz/post-author-gravator-support

Post author gravator support
New option: gravatar_for_comments
Merge branch 'master' of https://github.com/puentesarrin/selene
Cleaning html code on post.html
New option: gravatar_for_posts
Fixed missing messages translations
Adding forms module on template_namespace
Moving loading_translations to Application
Setting up to fts option