properly call [re]set_pool, fix connection handling so we have a change to get cw running on top of a sqlite dabase with threads activated

#! /bin/sh -e

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