Make principal renaming work in libkadm5srv by converting to explicit
salts as necessary.  Add a principal rename command to the client.
(The RPC infrastructure was already present.)

Adapted from patches submitted by mdw@umich.edu and lha@apple.com.


https://github.com/krb5/krb5/commit/1f649490ad49642906a0ad6083059e35a24988e8
Commit By: ghudson
Revision: 24604
Changed Files:
U   trunk/src/kadmin/cli/kadmin.c
U   trunk/src/kadmin/cli/kadmin.h
U   trunk/src/kadmin/cli/kadmin_ct.ct
U   trunk/src/lib/kadm5/srv/svr_principal.c
U   trunk/src/tests/Makefile.in
A   trunk/src/tests/t_renprinc.py