Primarly fix the trace code. This was broken during the modfictions of the

DDNS code to use the bind libraries.  This patch fixes that breakage and
includes support for the new DDNS code.  This patch also deletes some dead
code and neatens up some log messages.

server/dhcpd.c

@@ -488,6 +488,7 @@ main(int argc, char **argv) {
 	trace_srandom = trace_type_register ("random-seed", (void *)0,
 					     trace_seed_input,
 					     trace_seed_stop, MDL);
+	trace_ddns_init();
 #endif
 
 #if defined (PARANOIA)