[c-c db-check] add some sql queries to fix cw_source/is/is_instance relations according to data in the entities table
#! /bin/sh -e#if [ "$1" = configure ]; then if which install-docs >/dev/null 2>&1; then install-docs -i /usr/share/doc-base/cubicweb-doc fifi#DEBHELPER#exit 0