Fixed update_database for new Migrations versioning scheme
updated to support changes in controller for new migration naming scheme
change the way we look for available migrations
add a new way to look for available migrations
change the way we look for available migrations
fix typo in gemfile about link ti prototype legacy helper lib
remove unused stuff and unecessary code
improve nofollow management and test
refactoring spec syntax
remove unused spec
remove unused helper method

refactoring of feed helper method
remove unused method from application helper
move resource add and remove stuf

remove no more call methods

push methods on parent to remove duplication (still need to remove inheritance...)
move code from controller to model
move save_attachments to article instead of controller
add set_author to article instead of keep this in content controller
remove method that just put behind code to fake reducing other methods

By bring code where it used, we probably found better refactoring and optimisations
fix typo in previous refactoring
remove duplicate helper
refactoring to remove duplication