Add TCP support to the KDC, turned off by default, and using separate
config file entries to indicate port numbers.
Checkpointing a working version; debug code needs cleanup, doc needs writing.


To generate a diff of this commit:



	cvs diff -r5.233 -r5.234 krb5/src/kdc/ChangeLog
	cvs diff -r5.25 -r5.26 krb5/src/kdc/extern.h
	cvs diff -r5.111 -r5.112 krb5/src/kdc/main.c
	cvs diff -r5.52 -r5.53 krb5/src/kdc/network.c