Makes demo passing but not working for interventions...
Renames Procedures to Procedo and enahnces lib
Merge uglily branch 'master' of github.com:ekylibre/ekylibre

Conflicts:
	app/models/intervention.rb
	app/models/product.rb
	app/models/product_nature.rb
	config/locales/fra/help/productions-index.txt
	config/modules.xml
	lib/tasks/demo/interventions.rb