[cwc shell] add ``--password`` option to ``reset-admin-pwd`` (close #1794866) This will help batch. The help warn it's not very secure.

#! /bin/sh -e

if [ -x "/etc/init.d/cubicweb-ctl" ]; then
    invoke-rc.d cubicweb-ctl restart || true
fi
 
 
#DEBHELPER#
 
exit 0