restructured file layout

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

src/libstrongswan/utils/host.c

@@ -325,7 +325,7 @@ static bool equals(private_host_t *this, private_host_t *other)
 {
 	if (!ip_equals(this, other))
 	{
-		return FAILED;
+		return FALSE;
 	}
 	
 	switch (this->address.sa_family)