EMERGING MARKETS-Emerging currencies weaken broadly on Greece, Ukraine

(Recasts to broaden scope; adds quotes, updates prices) By Asher Levine SAO PAULO, Feb 11 (Reuters) - Emerging market currencies weakened against the dollar on Wednesday as fraught Greek debt negotiations and an escalation of violence in Ukraine sapped demand for higher-risk assets. Greek Finance Minister Yanis Varoufakis met euro zone finance ministers on Wednesday, pushing plans to scrap austerity measures and to restructure Greece's massive debt. But Germany has ruled out furth