ticket:269 added sort_by param for get_all_ids and test for it
ticket:269 edited howitworks.rst
Merge branch 't269_ordering_should_be_saved_when_adding_ids_to_cart'
Merge branch 'master' into accessibility
ticket:270 added accessibility page and link to it
ticket:270 added test for accessibility page
Merge branch 't270_add_accessibility_page' into accessibility