new configuration structure:
peer_cfg: configuration related to a peer (authenitcation, ...=
ike_cfg: config to use for IKE setup (proposals)
child_Cfg: config for CHILD_SA (proposals, traffic selectors)
a peer_cfg has one ike_cfg and multiple child_cfg's
stroke now uses fixed count of threads
centralized all printf specifier character definitions
reuse of arginfo handlers
more cleanups
fixed more AMD64 issues
added DEBUG_LEVEL compile flag to exclude DBGn() statements
socket works (without v6 filter)
traffic selector handle IPv4/v4 cleanly
improvements in traffic selector code
kernel interface accepts v6 traffic selectors and hosts
host_t class has full IPv6 support