N ot the end, perhaps, but certainly the denouement. After the penultimate weekend of the Bundesliga season some big issues remain open; the confirmation of the fourth team to qualify for the Champions League, who will be the two teams to drop to the second tier and which side will get a two-legged opportunity to reprieve themselves. Yet the German game is nothing if not reliably businesslike in getting some of next season’s key parameters set before the current exercise is done. There was no need for official announcements here, though, with the results doing the explaining for us. Or, in a few cases, the performances. There has been considerable doubt, for example, whether Kasper Hjulmand would continue as Bayer Leverkusen coach next season. Now, there is none.…