create collectSelect folder, author collect_select.rb, rename pigeon organizer/nyc-pidgeon-organizer.rb -> pigeonOrganizer/nyc-pidgeon-organizer.rb, rename igeon organizer/pigeon_organizer.rb -> pigeonOrganizer/pigeon_organizer.rb, rename pigeon organizer/pigeon_organizer_2.rb -> pigeonOrganizer/pigeon_organizer_2.rb