[form controller] clear caches in case some attribute participating to the rest path has been modified, avoid redirection to a no more existant page (fix #753567)
#! /bin/sh -e#if [ "$1" = remove -o "$1" = upgrade ]; then if which install-docs >/dev/null 2>&1; then install-docs -r cubicweb-doc fifi#DEBHELPER#exit 0