LONDON (Reuters) - The euro was hovering on Friday around the seven-week high it reached against the U.S. dollar on Thursday, amid hopes that a Brexit deal between Britain and the European Union could prevent an economic recession in the euro zone.The common currency has been rattled this year by dismal manufacturing data, as well as by worries that deepening economic tensions between the United States and China could make euro zone economies grow even slower. But with Britain's Prime Minister..