- kernel modules support SSP natively, so change the description
  of SSP_UNSAFE [1]
- take advantage of rmdir -p to remove nested instances of KMODDIR if
  empty.  Some ports have KMODDIR=dir1/dir2

Submitted by:	antoine [1]
Approved by:	portmgr (bapt)
- Stage support
- Remove non existent directories from plist
- Update to version 2.2.5
- Strip library when DEBUG=off
Add nagios4, the next version of the nagios monitoring system.

While there, garbage collect the UID/GID in nagios.

Sponsored by:	Absolight
- Stagify
- Remove NO_PACKAGE, not useful with pkg(8) anymore [1]
- Apply patch for 8+ unconditionally
- Fix typo in pkg-message.in
- Remove pkg-plist entry now handled by kmod.mk

- Mark broken on 10+
  wrkdirs/usr/ports/audio/aureal-kmod/work/au88x0.c:330:3: error: member reference base type 'void' is not a structure or union
                snd_mtxlock(au->lock);
                ^~~~~~~~~~~~~~~~~~~~~
[...]
/wrkdirs/usr/ports/audio/aureal-kmod/work/au88x0.c:342:3: error: member reference base type 'void' is not a structure or union
                snd_mtxunlock(au->lock);
                ^~~~~~~~~~~~~~~~~~~~~~~
[...]
2 errors generated.

Approved by:	portmgr (infrastructure blanket)