added staff model belongs to case, validated in console with index of case_id
added staff controller, added requisite nested routes
added new and create action for staff... added view
add S to staff in routes, added show.html.erb for staff, add link in cases show view, add actions in controller
 added edit and update actions to staff, edit view, and updated new and show staff views
updated cases_controller....changed variable name, and moved edit case matter stuff
changed fees and case reference attribtues to dropdown menus and added items in the model... possibly need to add java script for adding new item when one selected is not present