move rescue_from to exception_handler concern to remove some complexity from application_controller
move the menu logic to menu_handler concern to remove some complexity from application_controller
move the social helpers defined in controller to a social helpers handler concern to remove some complexity of the application_controller
move render_404 to exception_handler concern
tiny refact
move the project state machine to a concern
move the duplicated state_names method to shared concern
move backer state machine to a concern
optimizing this query #FTW
solve conflicts
Merge branch 'master' into concerns
Merge pull request #393 from devton/concerns

Just a refactoring :) [Open review]