Move properties, parameters, events, and concepts around manual sections

The pages moved as follows:
  zpool-features.{5 => 7}
  spl{-module-parameters.5 => .4}
  zfs{-module-parameters.5 => .4}
  zfs-events.5 => into zpool-events.8
  zfsconcepts.{8 => 7}
  zfsprops.{8 => 7}
  zpoolconcepts.{8 => 7}
  zpoolprops.{8 => 7}

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Co-authored-by: Daniel Ebdrup Jensen <debdrup@FreeBSD.org>
Closes #12149
Closes #12212

rpm/generic/zfs.spec.in

@@ -472,7 +472,9 @@ systemctl --system daemon-reload >/dev/null || true
 %{_bindir}/dbufstat
 # Man pages
 %{_mandir}/man1/*
+%{_mandir}/man4/*
 %{_mandir}/man5/*
+%{_mandir}/man7/*
 %{_mandir}/man8/*
 # Configuration files and scripts
 %{_libexecdir}/%{name}