Package nagwad-nagstamon: Information

- Save copies of events to /run/nagwad/events.
- New version of signal.md documentation (Russian).
- Minor fix of login.sed.
- Package Icinga Director basket as a doc.
- Added nagwad Icinga Director basket in JSON format.
- Improved description of host group "nagwad-nodes".
- Improved display name: "Printing policy violation attempt".
- Rename 'audit' filter (and all related files) to 'eperm'.
- Remove deprecated 'osec' check.
- Added "nagwad-host" host template for Icinga.
- Fix: Don't copy README and signal.* manual to the `-nagios` package.
- Updated README.
- Monitor integrity of file access audit rules.
- Fixed audit.regexp: Only SYSCALL messages.
- Updated audit.regexp: Added nagwad- prefix.
- Skip access errors to /proc/1/environ by default.
- Added 10-audit post-process filter which skips events for
  particular files listed in audit-skip.d.
- Allow post-filters to add text to messages.
- Match each event with previously registered events and ignore
  duplicates.
- Support event post-processing filters in /etc/nagwad/process-event.d.
- Process the journal starting from the current boot.
- Process the message with no leading whitespace by default.
- check_nagwad: Don't print minor accidental errors.

- Reflect the event status in the name of the signal file and check
  signal files in order of severity.
- Make the signal files accessible by the members of 'nagwad' group.
- Fixed %pre: %pre service.
- /usr/sbin/nagwad: Source /etc/sysconfig/nagwad.
- Make check_nagwad support status lines + the default status
  command-line argument.
- Make nagwad support sed filters.
- Removed the obsolete check_osec NRPE plugin.
- Update the login.regexp to also support the 'pam_faillock' module.
- Update check plugins to report detailed OK and CRITICAL statuses.
- Extracted nsca-shell into the separate package.
- Make 'nagwad-icinga' and 'nagwad-nagstamon' depend on
  'nagwad-service'.
- Make 'nagwad-nagios' depend on 'nagios-nrpe'.
- Fix: Make 'nagwad-service' not depend on 'osec-cronjob' and
  'nagios-nrpe'.
- Make nagwad.service to restart on failure.
- Make nagwad.service want auditd.service.
- Rename 'nagwad-templates' to 'nagwad-nagios' and move nrpe-commands
  configuration to that package.
- Added configuration file for Icinga-2 (package nagwad-icinga).
- Rename package 'nagwad-actions' to 'nagwad-nagstamon'.
- Make nagwad-service conflict with obsoleted package integ <=
  0.4.2-alt2.
- Added configuration files for integalert.

- Fix: Use "usergroup-change" key in audit rules (to match the nagwad
  filter key).