- S: fsck >= 2.20 (2.18 doesn't work for sure), s/R/S python modules for

- S: fsck >= 2.20 (2.18 doesn't work for sure), s/R/S python modules for
  not crucial supplementary systemd-analyze,
- restored %config(noreplace,missingok) for /lib/systemd/system/*.wants as
  {requires,wants} directories ARE NOT overridable and masking disables unit
  for good (broken in 1.53, partially fixed in 1.56),
- do not enumerate *.wants directories, we support what's supported upstream
  and a few described in %install, avoiding missing ones (see 1.58),
- packaged 2 missing directories, removed 1 duplicate,
- reverted 1.55 overadapting (beware please), a few more TODOs, cosmetics

Changed files:
    systemd.spec -> 1.63