[repo] normalize ValidationError on edited entity (closes #2509729)
In CubicWeb, ValidationError.entity MUST be the eid of the involved entity,
not the entity iteself (as done by yams).
#! /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