revert to 0.4-alt1

+requires_preauth added while creating principals

master key cipher changed from des-cbc-crc (OMG!)
cts-hmac-sha1-96

do full kdc reset if old and new domains are equal, but no krb base

chkconfig krb5kdc added

improved error handling, no freeze if no ldapconf

modified to not expose extra reqs

place dovecot own keytab under /etc/dovecot #(21165)

place squid own keytab under /etc/squid

http principal autogeneration added

filter out unwanted messages during dhcpd.conf create (#19811)
add imap/pop3/smtp to autogen'd princs too

use dedicated option space for alt-specific dhcp options

hook into dhcp-reset added

samba hooks added

keytab hook added

Initial release