- Update to version 2.2.1, see audit's changes

- update to 2.2.1, upstream changelog:
2.2.1
- Add more interpretations in auparse for syscall parameters
- Add some interpretations to ausearch for syscall parameters
- In ausearch/report and auparse, allocate extra space for node names
- Update syscall tables for the 3.3.0 kernel
- Update libev to 4.0.4
- Reduce the size of some applications
- In auditctl, check usage against euid rather than uid

2.2
- Correct all rules for clock_settime
- Fix possible segfault in auparse library
- Handle malformed socket addresses better
- Improve performance in audit_log_user_message()
- Improve performance in writing to the log file in auditd
- Syscall update for accept4 and recvmmsg
- Update autrace resource usage mode syscall list
- Improved sample rules for recent syscalls
- Add some debug info to audisp-remote startup and shutdown
- Make compiling with Python optional
- In auditd, if disk_error_action is ignore, don't syslog anything
- Fix some memory leaks
- If audispd is stopping, don't restart children
- Add support in auditctl for shell escaped filenames (Alexander)
- Add search support for virt events (Marcelo Cerri)
- Update interpretation tables
- Sync auparse's auditd config parser with auditd's parser (forwarded request 137972 from coolo)