first pass of refactoring global production
Merge branch 'master' of https://github.com/ekylibre/ekylibre

Conflicts:
	app/controllers/interfacers_controller.rb
	app/controllers/listings_controller.rb
	app/models/animal_group_event.rb
	app/models/animal_posology.rb
	app/models/product.rb
	config/locales/fra/models.yml
	config/menu.xml
	config/rights.yml
	test/fixtures/animal_group_events.yml
	test/fixtures/animal_posologies.yml
	test/unit/animal_group_event_test.rb
	test/unit/animal_posology_test.rb