Revert "Point to sebastinas fork."

This reverts commit 914997b0073d71f918b139daf4b9ce57fc6fa9f3.
Convert files to UTF-8 and update some bits.
Ship contrib/bash_completion.
Remove svn $Ids.
Use AX_LIB_READLINE from autoconf-archive.
Cosmetic fixes.
Install bash completion.
#include "config.h"
It's HAVE_KERBEROS and not KERBEROS.
Fix readline checks.
Apply patch from Debian: use tmpfile instread of mktemp

Thanks to neologic@free.fr for the patch.
Apply patch from Debian: fix useless sleep on interactive login

Thanks to neologix@free.fr for the patch.
Apply patch from Debian: Allow expansion of '~user'.

Thanks to neologix@free.fr for the patch.
Fix another readline check.
Fix segfault on ' <TAB>'.
Display readline result correctly.
Improve readline output.
Call autoreconf with -s.
Ship ax_lib_readline.m4 from autoconf-archive for now.
Repo clean up.