ajax for adding item to menu
refactor ajax request so other methods can use same function
adding ajax reqs
new style for ajax requests -- update with jquery before sending ajax request
ajax tidying up, remove dashes from selector box for easier jquery lookup
finished ajax on menu-items page, all tests still pass
ajax delete on all item tables
added ajax to menu creation
starting new branch with less immediate jquery actions
front end validations -- done with empty fields from HTML, working on validating number format
grabbed error message from AR validations -- need to display as flash