def announce_migration(message)
      text = "#{name}: #{message}"
      length = [0, 75 - text.length].max
      puts "== %s %s" % [text, "=" * length]
    end
def announce_migration(message)
      text = "#{name}: #{message}"
      length = [0, 75 - text.length].max
      puts "== %s %s" % [text, "=" * length]
    end
Generates output labeled with name of migration and a line that goes up
 to 75 characters long in the terminal