ENH: 'heavydebug' level == 5 for even more debugging in tricky cases

I mocked logging library directly -- seems to be Ok.
RF: reworked -regex cmdline tool to use optparse, some unification and enhancement of outputs
ENH: fail2ban-regex -- add specification of loglevels to enable
DOC: Changelog for fail2ban-regex RF
Merge branch 'master' of https://github.com/yarikoptic/fail2ban

* 'master' of https://github.com/yarikoptic/fail2ban:
  DOC: Changelog for fail2ban-regex RF
  ENH: fail2ban-regex -- add specification of loglevels to enable
  RF: reworked -regex cmdline tool to use optparse, some unification and enhancement of outputs
  ENH: 'heavydebug' level == 5 for even more debugging in tricky cases

Conflicts:
	ChangeLog