add SECURE and AUTH transmission type as specified in rfc3848

suggested by halex@
sys-tree.h and sys-queue.h -> sys/tree.h and sys/queue.h
"imsg.h" -> <imsg.h>
finish the sys-tree, sys-queue -> sys/tree, sys/queue update
include order
spacing and include order
Merge branch 'master' into portable

Conflicts:
	smtpd/makemap.c
include order
sync with latest asr changes
fix issue #182: [portable/asr] resolver: family preference IPv6 vs IPv4