[transaction] rename transaction_data to data
Transaction.transaction_data is redundant. A transaction_data property is left
for backward compatibility. Deprecation mechanism will come in later changeset
#! /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