mime_types.hpp: Changed default mime type from txt to bin
mime_types.hpp: Changed default mime type from txt to bin

RicoAntonioFelix/IncludeOS-HTTP-Service,hioa-cs/http,alfred-bratterud/IncludeOS-HTTP-Service,hioa-cs/http,alfred-bratterud/IncludeOS-HTTP-Service,RicoAntonioFelix/IncludeOS-HTTP-Service