changed name of class and file to "MakeIneligible", Change #2828
changed class method name to 'run', refactored methods, Change #2828
remove #person_taking_screener_ineligible?(response_set) from SurveyorController, Change #2828
removed :dependent => :nullify for events, Change #2828
added #person_taking_screener_ineligible? to Person, Change #2828
changed magic numbers to named constants, Change #2828
deleted unnecessary specs, Change #2828
added specs to Person for #person_taking_screener_ineligible?, Change #2828
refactored methods, changed filename, Change #2828