upgrade Rails to 3.14
Merge pull request #242 from gregmolnar/rails_upgrade

upgrade Rails to 3.14
Improve helper
Clean helper about twitter config test
Clean spec around default layout view
Clean note spec and refactoring around twitter message
Remove some unnecessary code from note model
Remove helper method to use content_for

I think it's a better way to do this kind of stuff (build a header title
and put it elsewhere than in yield place)
Fix some strange text filter work
Fix content for heading style
Clean account page and start config locale.

Start to use standard config/locale/yml file format for I18n
Clean helper with a content_for yield usage
Fix push_to_twitter bug and clean factory
Admin login is looking for en.yml keys for placeholder text

English i18n YAML file is missing keys found in the
French. As a result, the admin login screen is showing
HTML errors from placeholder text that does not translate.
Merge pull request #258 from randomecho/i18n-admin-login-placeholders

Admin login is looking for en.yml keys for placeholder text
Add a test case with a new method about twitter message length calcul
Fix twitter message length
Twitter link limit
create translation file for pt-BR
Merge pull request #259 from basmoura/master

create translation file for pt-BR
Clean accounts view