- Buildrequires cap-ng library

- --with-libcap-ng=yes has no effect if libcap-ng is not
buildrequired and the lack of those requires causes a broken
configure script after autoreconf add pkgconfig(libcap-ng)
to both audit and audit-secondary, cap-ng is actually only
use in the latter.

- Version 2.2.3
- Code cleanups
- In spec file, don't own lib64/audit
- Update man pages
- Aureport no longer reads auditd.conf when stdin is used
- Don't let systemd kill auditd if auditctl errors out
- Update syscall table for 3.7 and 3.8 kernels
- Add interpretation for setns and unshare syscalls
- Code cleanup (Tyler Hicks)
- Documentation cleanups (Laurent Bigonville)
- Add dirfd interpretation to the *at functions
- Add termination signal to clone flags interpretation
- Update stig.rules
- In auditctl, when listing rules don't print numeric value of dir fields
- Add support for rng resource type in auvirt
- Fix aulast bad login output (#922508)
- In ausearch, allow negative numbers for session and auid searches
- In audisp-remote, if disk_full_action is stop then stop sending (#908977) (forwarded request 161029 from elvigia)