Replace the check_fail2ban script by a new one which respects the Nagios specs (like status, output, perfdata, help...).
Also add a README which includes the content of f2ban.txt (which is now removed)
fix the script name to check_fail2ban everywhere
change the license to GPLv2 + adapat text
Merge  'Update the check_fail2ban script' PR from https://github.com/labynocle/fail2ban

* 'master' of https://github.com/labynocle/fail2ban:
  change the license to GPLv2 + adapat text
  fix the script name to check_fail2ban everywhere
  Replace the check_fail2ban script by a new one which respects the Nagios specs (like status, output, perfdata, help...). Also add a README which includes the content of f2ban.txt (which is now removed)