modified:   app/controllers/autofocus.rb
	modified:   app/controllers/directs_controller.rb
	modified:   app/controllers/fonctions_controller.rb
	modified:   app/controllers/gains_controller.rb
	modified:   app/controllers/indirects_controller.rb
	modified:   app/models/etude.rb
	new file:   app/models/irr.rb
	modified:   app/views/directs/edit.html.haml
	modified:   app/views/indirects/edit.html.haml
	modified:   app/views/rentabilites/show.html.haml