Simplify the filter API. Do not expose the internal query id to the user.
The session id is enough since a query is never issued before the previous
one is still pending.
forward only !
Merge branch 'master' of ssh://ssh.poolp.org/git/opensmtpd
temporary
forward-only really means NOTHING but forwarding
Merge branch 'master' into 312-parser_action

Conflicts:
	smtpd/lka_session.c
improve forward-only
no action rules
a bit of parse.y cleanup
implement "no-action" rules
disimbiguate "from" so that "from all" is an error now
Merge branch '312-parser_action'

Conflicts:
	smtpd/parse.y
woops, error in last commit
improve rule params matching
Merge branch '312-parser_action'

Conflicts:
	smtpd/parse.y
further cleanup
Merge branch '312-parser_action'
introduce "recipient" keyword
Merge branch '312-parser_action'
improve grammar