[doc] one must now manipulate the req.session.data dict (closes #2842345)
instead of deprecated get/set/del_session_data methods.
#! /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