Added functional test for orders_detail. Also added its corresponding html, url, and view to test it.

Added functional test to orders_create_form. Also added its corresponding html, url, and view to test it.

Added functional test to ingredients_update_form. Also added its corresponding html, url, and views to test it.

Added functional test to ingredients_list. Also added its corresponding html, url, and views to test it.

Added functional test to ingredients_detail. Also added its corresponding html, url, and view to test it.

Added a functional test to home page. Added a functional test, view, url, and template to ingredients_create_form. Changed directories of some files.